List of Diseases and Conditions By Mayo Clinic. Mayo Clinic has major campuses in Rochester, Minn.; Scottsdale and Phoenix, Ariz.; and Jacksonville, Fla. The Mayo Clinic Health System has dozens of locations in several states. Thousands of patients from around the world travel to Mayo Clinic locations, and Mayo Clinic’s International Patient Offices help ensure that distance and language are not obstacles to receiving world-class care.
- A fib, also known asAtrial fibrillation)
- Abdominal aortic aneurysm
- Abnormally excessive sweating, also known asHyperhidrosis)
- Abscess, Bartholin’s, also known asBartholin’s cyst)
- Absence seizure
- Acanthosis nigricans
- Achalasia
- Achilles tendinitis
- Achilles tendon rupture
- Acid reflux, also known asGastroesophageal reflux disease (GERD))
- Acid reflux, infant, also known asInfant reflux)
- ACL injury
- Acne
- Acoustic neuroma
- Acquired immunodeficiency syndrome, also known asHIV/AIDS)
- Acromegaly
- Actinic keratosis
- Acute coronary syndrome
- Acute febrile neutrophilic dermatosis, also known asSweet’s syndrome)
- Acute flaccid myelitis (AFM)
- Acute granulocytic leukemia, also known asAcute myelogenous leukemia)
- Acute inflammatory demyelinating polyneuropathy, also known asGuillain-Barre syndrome)
- Acute kidney failure
- Acute liver failure
- Acute lymphoblastic leukemia, also known asAcute lymphocytic leukemia)
- Acute lymphocytic leukemia
- Acute lymphoid leukemia, also known asAcute lymphocytic leukemia)
- Acute myeloblastic leukemia, also known asAcute myelogenous leukemia)
- Acute myelogenous leukemia
- Acute myeloid lukemia, also known asAcute myelogenous leukemia)
- Acute nonlymphocytic leukemia, also known asAcute myelogenous leukemia)
- Acute radiation sickness, also known asRadiation sickness)
- Acute radiation syndrome, also known asRadiation sickness)
- Acute renal failure, also known asAcute kidney failure)
- Acute respiratory distress syndrome, also known asARDS)
- Acute sinusitis
- Addiction, alcohol, also known asAlcohol use disorder)
- Addiction, drug, also known asDrug addiction (substance use disorder))
- Addiction, gambling, also known asCompulsive gambling)
- Addiction, nicotine, also known asNicotine dependence)
- Addison’s disease
- Adenitis, mesenteric, also known asMesenteric lymphadenitis)
- Adenomyosis
- ADHD in children, also known asAttention-deficit/hyperactivity disorder (ADHD) in children)
- ADHD, Adult, also known asAdult attention-deficit/hyperactivity disorder (ADHD))
- Adhesive capsulitis, also known asFrozen shoulder)
- Adjustment disorders
- Adnexal tumors
- Adolescent schizophrenia, also known asChildhood schizophrenia)
- Adrenal cancer
- Adrenal gland tumor, also known asPheochromocytoma)
- Adrenal mass, also known asBenign adrenal tumors)
- Adrenoleukodystrophy
- Adult attention-deficit/hyperactivity disorder (ADHD)
- Adult Still’s disease
- AFM, also known asAcute flaccid myelitis (AFM))
- Age spots (liver spots)
- Age-related macular degeneration, dry, also known asDry macular degeneration)
- Age-related macular degeneration, wet, also known asWet macular degeneration)
- Agnogenic myeloid metaplasia, also known asMyelofibrosis)
- Agoraphobia
- AIDP, also known asGuillain-Barre syndrome)
- AIDS/HIV, also known asHIV/AIDS)
- Airplane ear
- Albinism
- Alcohol addiction, also known asAlcohol use disorder)
- Alcohol intolerance
- Alcohol poisoning
- Alcohol use disorder
- Alcoholic hepatitis
- Allergic granulomatosis, also known asChurg-Strauss syndrome)
- Allergic granulomatosis and angiitis, also known asChurg-Strauss syndrome)
- Allergic rhinitis, also known asHay fever)
- Allergies
- Allergy, dust mite, also known asDust mite allergy)
- Allergy, egg, also known asEgg allergy)
- Allergy, food, also known asFood allergy)
- Allergy, latex, also known asLatex allergy)
- Allergy, milk, also known asMilk allergy)
- Allergy, mold, also known asMold allergy)
- Allergy, nickel, also known asNickel allergy)
- Allergy, peanut, also known asPeanut allergy)
- Allergy, penicillin, also known asPenicillin allergy)
- Allergy, pet, also known asPet allergy)
- Allergy, shellfish, also known asShellfish allergy)
- Allergy, soy, also known asSoy allergy)
- Allergy, wheat, also known asWheat allergy)
- Alopecia, also known asHair loss)
- Alpha-gal syndrome
- ALS, also known asAmyotrophic lateral sclerosis (ALS))
- Alveolar osteitis, also known asDry socket)
- Alzheimer’s disease
- Ambiguous genitalia
- Amblyopia, also known asLazy eye (amblyopia))
- Ameloblastoma
- Amenorrhea
- American trypanosomiasis, also known asChagas disease)
- Amnesia
- Amnesia, transient global, also known asTransient global amnesia)
- Amnestic syndrome, also known asAmnesia)
- Amniotic fluid embolism
- Ampullary cancer
- Amyloid disease, also known asAmyloidosis)
- Amyloidosis
- Amyotrophic lateral sclerosis (ALS)
- Anal cancer
- Anal fissure
- Anal fistula
- Anal itching
- Anaphylaxis
- Anemia
- Anemia, aplastic, also known asAplastic anemia)
- Anemia, Cooley’s, also known asThalassemia)
- Anemia, iron deficiency, also known asIron deficiency anemia)
- Anemia, Mediterranean, also known asThalassemia)
- Anemia, sickle cell, also known asSickle cell anemia)
- Anemia, vitamin deficiency, also known asVitamin deficiency anemia)
- Aneurysm, abdominal aortic, also known asAbdominal aortic aneurysm)
- Aneurysm, aortic, also known asAortic aneurysm)
- Aneurysm, brain, also known asBrain aneurysm)
- Aneurysm, cerebral, also known asBrain aneurysm)
- Aneurysm, popliteal, also known asPopliteal artery aneurysm)
- Aneurysm, thoracic aortic, also known asThoracic aortic aneurysm)
- Aneurysms
- Angelman syndrome
- Angiitis, also known asVasculitis)
- Angina
- Angina pectoris, also known asAngina)
- Angioedema and hives, also known asHives and angioedema)
- Angiofollicular lymph node hyperplasia, also known asCastleman disease)
- Angiosarcoma
- Anhidrosis
- Ankle fracture, also known asBroken ankle)
- Ankle sprain, also known asSprained ankle)
- Ankyloglossia, also known asTongue-tie (ankyloglossia))
- Ankylosing spondylitis
- Anorexia, also known asAnorexia nervosa)
- Anorexia nervosa
- Anorgasmia in women
- Anterior cruciate ligament injury, also known asACL injury)
- Anterior prolapse (cystocele)
- Anterior vaginal prolapse, also known asAnterior prolapse (cystocele))
- Anthrax
- Antibiotic-associated colitis, also known asPseudomembranous colitis)
- Antibiotic-associated diarrhea
- Antiphospholipid syndrome
- Antisocial personality disorder
- Anxiety disorder, generalized, also known asGeneralized anxiety disorder)
- Anxiety disorder, social, also known asSocial anxiety disorder (social phobia))
- Anxiety disorders
- Aortic aneurysm
- Aortic aneurysm, abdominal, also known asAbdominal aortic aneurysm)
- Aortic coarctation, also known asCoarctation of the aorta)
- Aortic dissection
- Aortic valve disease
- Aortic valve regurgitation
- Aortic valve stenosis
- Aphasia
- Aphasia, primary progressive, also known asPrimary progressive aphasia)
- Aphthous stomatitis, also known asCanker sore)
- Aphthous ulcer, also known asCanker sore)
- Apical ballooning syndrome, also known asBroken heart syndrome)
- Aplastic anemia
- Appendicitis
- ARDS
- Arenaviruses, also known asViral hemorrhagic fevers)
- Argentine hemorrhagic fever, also known asViral hemorrhagic fevers)
- Arm fracture, also known asBroken arm)
- Arnold-Chiari malformation, also known asChiari malformation)
- Arrhythmia, also known asHeart arrhythmia)
- Arteriosclerosis / atherosclerosis
- Arteriovenous fistula
- Arteriovenous malformation
- Arteritis, giant cell, also known asGiant cell arteritis)
- Arteritis, Takayasu’s, also known asTakayasu’s arteritis)
- Arthritis
- Arthritis, basal joint, also known asThumb arthritis)
- Arthritis, degenerative, also known asOsteoarthritis)
- Arthritis, gouty, also known asGout)
- Arthritis, infectious, also known asSeptic arthritis)
- Arthritis, juvenile idiopathic, also known asJuvenile idiopathic arthritis)
- Arthritis, osteoarthritis, also known asOsteoarthritis)
- Arthritis, psoriatic, also known asPsoriatic arthritis)
- Arthritis, reactive, also known asReactive arthritis)
- Arthritis, rheumatoid, also known asRheumatoid arthritis)
- Arthritis, septic, also known asSeptic arthritis)
- Arthritis, thumb, also known asThumb arthritis)
- Asbestosis
- Ascariasis
- ASD, also known asAtrial septal defect (ASD))
- Aseptic necrosis, also known asAvascular necrosis)
- Aspergillosis
- Asthma
- Asthma attack
- Asthma, childhood, also known asChildhood asthma)
- Asthma, exercise-induced, also known asExercise-induced asthma)
- Asthma, occupational, also known asOccupational asthma)
- Astigmatism
- Astrocytoma
- AT, also known asAtrial tachycardia)
- Ataxia
- Atelectasis
- Atherosclerosis, also known asArteriosclerosis / atherosclerosis)
- Athlete’s foot
- Atopic dermatitis (eczema)
- Atrial fibrillation
- Atrial flutter
- Atrial septal defect (ASD)
- Atrial tachycardia
- Atrioventricular canal defect
- Atrioventricular nodal reentry tachycardia (AVNRT)
- Atrioventricular septal defect, also known asAtrioventricular canal defect)
- Atrophic vaginitis, also known asVaginal atrophy)
- Attachment disorder, also known asReactive attachment disorder)
- Attention-deficit/hyperactivity disorder (ADHD) in children
- Attention-deficit/hyperactivity disorder in adults, also known asAdult attention-deficit/hyperactivity disorder (ADHD))
- Atypical depression
- Atypical hyperplasia of the breast
- Autism spectrum disorder
- Autoimmune hepatitis
- Autoimmune pancreatitis
- Autonomic neuropathy
- Avascular necrosis
- Avian influenza, also known asBird flu (avian influenza))
- AVN, also known asAvascular necrosis)
- AVNRT, also known asAtrioventricular nodal reentry tachycardia (AVNRT))
- Baby acne
- Back pain
- Bacterial vaginosis
- Bad breath
- Bags under eyes
- Baker’s cyst
- Balance problems
- Baldness, also known asHair loss)
- Barber’s itch, also known asFolliculitis)
- Barlow’s syndrome, also known asMitral valve prolapse)
- Barotitis media, also known asAirplane ear)
- Barotrauma, also known asAirplane ear)
- Barrett’s esophagus
- Bartholin’s cyst
- Basal cell carcinoma
- Basal joint arthritis, also known asThumb arthritis)
- BDD, also known asBody dysmorphic disorder)
- Bedbugs
- Bedsores (pressure ulcers)
- Bed-wetting
- Bee sting
- Behcet’s disease
- Bell’s palsy
- Benign adrenal tumors
- Benign migratory glossitis, also known asGeographic tongue)
- Benign paroxysmal positional vertigo, also known asBenign paroxysmal positional vertigo (BPPV))
- Benign paroxysmal positional vertigo (BPPV)
- Benign peripheral nerve tumor
- Benign prostatic hyperplasia (BPH)
- Berger’s disease, also known asIgA nephropathy (Berger’s disease))
- Bicuspid aortic valve
- Bile duct cancer, also known asCholangiocarcinoma (bile duct cancer))
- Bile reflux
- Binge drinking, also known asAlcohol poisoning)
- Binge-eating disorder
- Bipolar disorder
- Bird flu (avian influenza)
- Black hairy tongue
- Blackheads, also known asAcne)
- Bladder calculi, also known asBladder stones)
- Bladder cancer
- Bladder control, loss of, also known asUrinary incontinence)
- Bladder exstrophy
- Bladder infection, also known asCystitis)
- Bladder inflammation, also known asInterstitial cystitis)
- Bladder prolapse, also known asAnterior prolapse (cystocele))
- Bladder stones
- Blastocystis hominis
- Blepharitis
- Blocked tear duct
- Blocked ureter, also known asUreteral obstruction)
- Blood in urine (hematuria)
- BMS, also known asBurning mouth syndrome)
- Body dysmorphic disorder
- Body lice
- Body odor and sweating, also known asSweating and body odor)
- Boils and carbuncles
- Bone cancer
- Bone infection, also known asOsteomyelitis)
- Bone metastasis
- Bone spurs
- Borderline personality disorder
- Botulism
- Bowel incontinence, also known asFecal incontinence)
- Bowel obstruction, also known asIntestinal obstruction)
- BPH, also known asBenign prostatic hyperplasia (BPH))
- Brachial plexus injury
- Bradycardia
- Bradycardia-tachycardia syndrome, also known asSick sinus syndrome)
- Brain aneurysm
- Brain arteriovenous malformation, also known asBrain AVM (arteriovenous malformation))
- Brain AVM (arteriovenous malformation)
- Brain metastases
- Brain tumor
- Brain tumor, child, also known asPediatric brain tumors)
- Breast cancer
- Breast cancer, inflammatory, also known asInflammatory breast cancer)
- Breast cancer, male, also known asMale breast cancer)
- Breast cysts
- Breast infection, also known asMastitis)
- Breast pain
- Broken ankle
- Broken arm
- Broken blood vessel in eye, also known asSubconjunctival hemorrhage (broken blood vessel in eye))
- Broken collarbone
- Broken foot
- Broken hand
- Broken heart syndrome
- Broken hip, also known asHip fracture)
- Broken leg
- Broken nose
- Broken ribs
- Broken toe
- Broken wrist
- Bronchiolitis
- Bronchitis
- Brucellosis
- Brugada syndrome
- Bruxism (teeth grinding)
- Buerger’s disease
- Bulimia nervosa
- Bullous pemphigoid
- Bundle branch block
- Bunions
- Bunyaviruses, also known asViral hemorrhagic fevers)
- Burn injury, also known asBurns)
- Burning mouth syndrome
- Burning thigh pain, also known asMeralgia paresthetica)
- Burns
- Bursitis
- C. difficile colitis, also known asPseudomembranous colitis)
- C. difficile infection
- Calciphylaxis
- Calluses and corns, also known asCorns and calluses)
- Cancer
- Cancer, acute lymphocytic leukemia, also known asAcute lymphocytic leukemia)
- Cancer, anal, also known asAnal cancer)
- Cancer, basal cell, also known asBasal cell carcinoma)
- Cancer, bladder, also known asBladder cancer)
- Cancer, bone, also known asBone cancer)
- Cancer, breast, also known asBreast cancer)
- Cancer, carcinoid tumors, also known asCarcinoid tumors)
- Cancer, cervical, also known asCervical cancer)
- Cancer, chronic lymphocytic leukemia, also known asChronic lymphocytic leukemia)
- Cancer, chronic myelogenous leukemia, also known asChronic myelogenous leukemia)
- Cancer, colon, also known asColon cancer)
- Cancer, endometrial, also known asEndometrial cancer)
- Cancer, esophageal, also known asEsophageal cancer)
- Cancer, eye melanoma, also known asEye melanoma)
- Cancer, gallbladder, also known asGallbladder cancer)
- Cancer, gastric, also known asStomach cancer)
- Cancer, hairy cell leukemia, also known asHairy cell leukemia)
- Cancer, Hodgkin’s disease, also known asHodgkin’s lymphoma (Hodgkin’s disease))
- Cancer, Hurthle cell, also known asHurthle cell cancer)
- Cancer, inflammatory breast, also known asInflammatory breast cancer)
- Cancer, kidney, also known asKidney cancer)
- Cancer, leukemia, also known asLeukemia)
- Cancer, lip, also known asMouth cancer)
- Cancer, liver, also known asLiver cancer)
- Cancer, lung, also known asLung cancer)
- Cancer, male breast, also known asMale breast cancer)
- Cancer, Merkel cell, also known asMerkel cell carcinoma)
- Cancer, mesothelioma, also known asMesothelioma)
- Cancer, mouth, also known asMouth cancer)
- Cancer, multiple myeloma, also known asMultiple myeloma)
- Cancer, nasopharyngeal, also known asNasopharyngeal carcinoma)
- Cancer, neuroblastoma, also known asNeuroblastoma)
- Cancer, non-Hodgkin’s lymphoma, also known asNon-Hodgkin’s lymphoma)
- Cancer, oral, also known asMouth cancer)
- Cancer, ovarian, also known asOvarian cancer)
- Cancer, pancreatic, also known asPancreatic cancer)
- Cancer, paraneoplastic syndromes, also known asParaneoplastic syndromes of the nervous system)
- Cancer, prostate, also known asProstate cancer)
- Cancer, rectal, also known asRectal cancer)
- Cancer, retinoblastoma, also known asRetinoblastoma)
- Cancer, skin, also known asSkin cancer)
- Cancer, soft tissue sarcoma, also known asSoft tissue sarcoma)
- Cancer, squamous cell, also known asSquamous cell carcinoma of the skin)
- Cancer, stomach, also known asStomach cancer)
- Cancer, testicular, also known asTesticular cancer)
- Cancer, throat, also known asThroat cancer)
- Cancer, thyroid, also known asThyroid cancer)
- Cancer, uterine, also known asEndometrial cancer)
- Cancer, vagina, also known asVaginal cancer)
- Cancer, vulvar, also known asVulvar cancer)
- Cancer, Wilms’ tumor, also known asWilms’ tumor)
- Candidiasis, oral, also known asOral thrush)
- Candidiasis, vaginal, also known asYeast infection (vaginal))
- Canker sore
- Carbon monoxide poisoning
- Carbuncles and boils, also known asBoils and carbuncles)
- Carcinoid syndrome
- Carcinoid tumors
- Carcinoma of unknown primary
- Cardiac arrest, sudden, also known asSudden cardiac arrest)
- Cardiac ischemia, also known asMyocardial ischemia)
- Cardiogenic shock
- Cardiomegaly, also known asEnlarged heart)
- Cardiomyopathy
- Cardiomyopathy, dilated, also known asDilated cardiomyopathy)
- Cardiomyopathy, hypertrophic, also known asHypertrophic cardiomyopathy)
- Cardiospasm, also known asAchalasia)
- Cardiovascular disease, also known asHeart disease)
- Carotid artery disease
- Carpal tunnel syndrome
- Castleman disease
- Cataracts
- Cavernous malformations
- Cavities/tooth decay
- Celiac artery compression, also known asMedian arcuate ligament syndrome (MALS))
- Celiac artery compression syndrome, also known asMedian arcuate ligament syndrome (MALS))
- Celiac axis syndrome, also known asMedian arcuate ligament syndrome (MALS))
- Celiac disease
- Celiac trunk compression syndrome, also known asMedian arcuate ligament syndrome (MALS))
- CELLO, also known asBarrett’s esophagus)
- Cellulite
- Cellulitis
- Central nervous system vascular malformations
- Central sleep apnea
- Cercarial dermatitis, also known asSwimmer’s itch)
- Cerebral aneurysm, also known asBrain aneurysm)
- Cerebral palsy
- Cerebrospinal fluid leak, also known asCSF leak (Cerebrospinal fluid leak))
- Cerebrovascular accident, also known asStroke)
- Cerumen impaction, also known asEarwax blockage)
- Cervical cancer
- Cervical dystonia
- Cervical osteoarthritis, also known asCervical spondylosis)
- Cervical spondylosis
- Cervicitis
- Chagas disease
- Charcot-Marie-Tooth disease
- CHD, also known asHip dysplasia)
- Chemical dependency, also known asDrug addiction (substance use disorder))
- Chemo brain
- Chest pain
- Chest wall pain, also known asCostochondritis)
- Chiari malformation
- Chickenpox
- Chilblains
- Child abuse
- Child maltreatment, also known asChild abuse)
- Childhood apraxia of speech
- Childhood asthma
- Childhood obesity
- Childhood schizophrenia
- Chlamydia trachomatis
- Cholangiocarcinoma (bile duct cancer)
- Cholangitis, primary sclerosing, also known asPrimary sclerosing cholangitis)
- Cholecystitis
- Cholera
- Cholestasis of pregnancy
- Cholesterol, high blood, also known asHigh cholesterol)
- Chondrosarcoma
- Chordoma
- Chorea, Huntington’s, also known asHuntington’s disease)
- Choroid plexus carcinoma
- Chronic adrenal insufficiency, also known asAddison’s disease)
- Chronic cough
- Chronic daily headaches
- Chronic exertional compartment syndrome
- Chronic fatigue syndrome
- Chronic granulomatous disease
- Chronic hives
- Chronic kidney disease
- Chronic kidney failure, also known asChronic kidney disease)
- Chronic lymphocytic leukemia
- Chronic lymphocytic thyroiditis, also known asHashimoto’s disease)
- Chronic myelogenous leukemia
- Chronic obstructive pulmonary disease, also known asCOPD)
- Chronic pelvic pain in women
- Chronic renal failure, also known asChronic kidney disease)
- Chronic sinusitis
- Chronic traumatic encephalopathy
- Chronic vulvar pain, also known asVulvodynia)
- Churg-Strauss syndrome
- Cirrhosis
- CJD, also known asCreutzfeldt-Jakob disease)
- CKD, also known asChronic kidney disease)
- Claudication
- Cleft lip and cleft palate
- Click-murmur syndrome, also known asMitral valve prolapse)
- Clinical depression, also known asDepression (major depressive disorder))
- CLL, also known asChronic lymphocytic leukemia)
- Clostridioides difficile infection, also known asC. difficile infection)
- Clostridium difficile infection, also known asC. difficile infection)
- Clubfoot
- Cluster headache
- Coarctation of the aorta
- Coccidioidomycosis, also known asValley fever)
- Cold allergy, also known asCold urticaria)
- Cold exposure, also known asHypothermia)
- Cold sore
- Cold urticaria
- Cold, common, also known asCommon cold)
- Colic
- Colitis, ischemic, also known asIschemic colitis)
- Colitis, microscopic, also known asMicroscopic colitis)
- Colitis, pseudomembranous, also known asPseudomembranous colitis)
- Colitis, ulcerative, also known asUlcerative colitis)
- Collapsed lung, also known asAtelectasis)
- Collapsed lung, also known asPneumothorax)
- Colon cancer
- Colon polyps
- Colonic ischemia, also known asIschemic colitis)
- Color blindness
- Colorectal cancer, also known asColon cancer)
- Columnar epithelium lined lower esophagus, also known asBarrett’s esophagus)
- Coma
- Common cold
- Common cold in babies
- Common variable immunodeficiency
- Common variable immunodeficiency , also known asCommon variable immunodeficiency)
- Common warts
- Compartment syndrome, chronic exertional, also known asChronic exertional compartment syndrome)
- Complex regional pain syndrome
- Complicated bereavement, also known asComplicated grief)
- Complicated grief
- Compulsive gambling
- Compulsive hoarding syndrome, also known asHoarding disorder)
- Compulsive overeating, also known asBinge-eating disorder)
- Compulsive sexual behavior
- Compulsive stealing, also known asKleptomania)
- Concussion
- Condylomata acuminata, also known asGenital warts)
- Congenital adrenal hyperplasia
- Congenital heart defects in children
- Congenital heart disease in adults
- Congenital hip dislocation, also known asHip dysplasia)
- Congenital megacolon, also known asHirschsprung’s disease)
- Congenital mitral valve anomalies
- Congenital myasthenic syndromes
- Congenital myopathies
- Congenital plagiocephaly, also known asCraniosynostosis)
- Congestive heart failure, also known asHeart failure)
- Conjoined twins
- Conjunctivitis, also known asPink eye (conjunctivitis))
- Constipation
- Constipation in children
- Contact dermatitis
- Convergence insufficiency
- Cooley’s anemia, also known asThalassemia)
- COPD
- Corns and calluses
- Coronary artery disease
- Coronary microvascular disease, also known asSmall vessel disease)
- Coronavirus disease 2019 (COVID-19)
- Corticobasal degeneration
- Costochondritis
- Costosternal chondrodynia, also known asCostochondritis)
- Costosternal syndrome, also known asCostochondritis)
- Cough headaches
- Cough, chronic, also known asChronic cough)
- COVID-19, also known asCoronavirus disease 2019 (COVID-19))
- COVID-19-associated multisystem inflammatory syndrome in children, also known asMultisystem inflammatory syndrome in children (MIS-C))
- Crabs, also known asPubic lice (crabs))
- Cradle cap
- Cramp, muscle, also known asMuscle cramp)
- Cramps, menstrual, also known asMenstrual cramps)
- Cranial arteritis, also known asGiant cell arteritis)
- Craniopharyngioma
- Craniosynostosis
- Creutzfeldt-Jakob disease
- Crib death, also known asSudden infant death syndrome (SIDS))
- Crohn’s disease
- Croup
- CRPS, also known asComplex regional pain syndrome)
- Cryoglobulinemia
- Cryptorchidism, also known asUndescended testicle)
- Cryptosporidiosis, also known asCryptosporidium infection)
- Cryptosporidium infection
- CSF leak (Cerebrospinal fluid leak)
- CTCL, also known asCutaneous T-cell lymphoma)
- Curvature of the penis, also known asPeyronie’s disease)
- Curvature of the spine, also known asScoliosis)
- Cushing syndrome
- Cutaneous B-cell lymphoma
- Cutaneous T-cell lymphoma
- Cutting/self-injury, also known asSelf-injury/cutting)
- CVA, also known asStroke)
- Cyclic vomiting syndrome
- Cyclospora infection
- Cyclothymia (cyclothymic disorder)
- Cyclothymic disorder, also known asCyclothymia (cyclothymic disorder))
- Cyst, Bartholin’s, also known asBartholin’s cyst)
- Cyst, ganglion, also known asGanglion cyst)
- Cyst, kidney, also known asKidney cysts)
- Cyst, ovarian, also known asOvarian cysts)
- Cyst, pancreatic, also known asPancreatic cysts)
- Cyst, pilonidal, also known asPilonidal cyst)
- Cyst, spermatic, also known asSpermatocele)
- Cystic fibrosis
- Cystitis
- Cystitis, interstitial, also known asInterstitial cystitis)
- Cystocele, also known asAnterior prolapse (cystocele))
- Cysts, epidermoid, also known asEpidermoid cysts)
- Cysts, sebaceous, also known asEpidermoid cysts)
- Cytomegalovirus (CMV) infection
- Cytomegalovirus infection, also known asCytomegalovirus (CMV) infection)
- Dandruff
- Daytime sleepiness, also known asNarcolepsy)
- DCIS, also known asDuctal carcinoma in situ (DCIS))
- DDH, also known asHip dysplasia)
- De Quervain’s tenosynovitis
- Decreased tear production, also known asDry eyes)
- Deep vein thrombosis (DVT)
- Deer-fly fever, also known asTularemia)
- Deficient color vision, also known asColor blindness)
- Degenerative arthritis, also known asOsteoarthritis)
- Dehydration
- Delayed ejaculation
- Delayed gastric emptying, also known asGastroparesis)
- Delayed sleep phase
- Delirium
- Dementia
- Dementia, frontotemporal, also known asFrontotemporal dementia)
- Dementia, Lewy body, also known asLewy body dementia)
- Dementia, vascular, also known asVascular dementia)
- Dengue fever
- Dengue hemorrhagic fever, also known asDengue fever)
- Dependence, nicotine, also known asNicotine dependence)
- Depersonalization-derealization disorder
- Depression (major depressive disorder)
- Depression, postpartum, also known asPostpartum depression)
- Depression, teen, also known asTeen depression)
- Dermatitis
- Dermatitis, atopic, also known asAtopic dermatitis (eczema))
- Dermatitis, cercarial, also known asSwimmer’s itch)
- Dermatitis, contact, also known asContact dermatitis)
- Dermatitis, scratch, also known asNeurodermatitis)
- Dermatitis, seborrheic, also known asSeborrheic dermatitis)
- Dermatofibrosarcoma protuberans
- Dermatographia
- Dermatomyositis
- Dermatophytosis, also known asAthlete’s foot)
- Desmoid tumors
- Desmoplastic small round cell tumors
- Detached retina, also known asRetinal detachment)
- Developmental dysplasia of the hip, also known asHip dysplasia)
- Deviated septum
- Devic’s disease, also known asNeuromyelitis optica)
- DFSP, also known asDermatofibrosarcoma protuberans)
- Diabetes
- Diabetes insipidus
- Diabetes mellitus, also known asDiabetes)
- Diabetes, gestational, also known asGestational diabetes)
- Diabetes, type 1, also known asType 1 diabetes)
- Diabetes, type 1 in children, also known asType 1 diabetes in children)
- Diabetes, type 2, also known asType 2 diabetes)
- Diabetes, type 2 in children, also known asType 2 diabetes in children)
- Diabetic coma
- Diabetic hyperosmolar syndrome
- Diabetic hypoglycemia
- Diabetic ketoacidosis
- Diabetic nephropathy (kidney disease)
- Diabetic neuropathy
- Diabetic retinopathy
- Diaper rash
- Diarrhea
- Diarrhea, antibiotic-associated, also known asAntibiotic-associated diarrhea)
- Diarrhea, traveler’s, also known asTraveler’s diarrhea)
- Difficulty focusing eyes, also known asConvergence insufficiency)
- Difficulty speaking, also known asVoice disorders)
- Difficulty swallowing, also known asDysphagia)
- Diffuse idiopathic skeletal hyperostosis (DISH)
- DiGeorge syndrome (22q11.2 deletion syndrome)
- Dilated cardiomyopathy
- Diphtheria
- DISH, also known asDiffuse idiopathic skeletal hyperostosis (DISH))
- Dislocated elbow
- Dislocated shoulder
- Dissecting aneurysm, also known asAortic dissection)
- Dissociative disorders
- Diverticulitis
- Dizziness
- Double uterus
- Double-outlet right ventricle
- Down syndrome
- Dressler syndrome
- Drop foot, also known asFoot drop)
- Drug addiction (substance use disorder)
- Drug allergy
- Dry eyes
- Dry macular degeneration
- Dry mouth
- Dry skin
- Dry socket
- DSPS, also known asDelayed sleep phase)
- DSRCT, also known asDesmoplastic small round cell tumors)
- Ductal carcinoma in situ (DCIS)
- Dumping syndrome
- Dunbar syndrome, also known asMedian arcuate ligament syndrome (MALS))
- Dupuytren’s contracture
- Dural arteriovenous fistulas
- Dust mite allergy
- DVT, also known asDeep vein thrombosis (DVT))
- Dwarfism
- Dysarthria
- Dyshidrosis
- Dyslexia
- Dysmenorrhea, also known asMenstrual cramps)
- Dyspareunia, also known asPainful intercourse (dyspareunia))
- Dyspepsia, also known asIndigestion)
- Dysphagia
- Dysphonia, also known asVoice disorders)
- Dysrhythmias, also known asHeart arrhythmia)
- Dysthymia, also known asPersistent depressive disorder (dysthymia))
- Dystonia
- Dystonia, cervical, also known asCervical dystonia)
- E. coli
- Ear infection (middle ear)
- Ear infection, outer ear, also known asSwimmer’s ear)
- Eardrum, ruptured, also known asRuptured eardrum (perforated eardrum))
- Early puberty, also known asPrecocious puberty)
- Earwax blockage
- Eating disorders
- Eating disorders, anorexia, also known asAnorexia nervosa)
- Eating disorders, binge eating, also known asBinge-eating disorder)
- Eating disorders, bulimia, also known asBulimia nervosa)
- Ebola virus, also known asEbola virus and Marburg virus)
- Ebola virus and Marburg virus
- Ebstein anomaly
- Ectopic heartbeat, also known asPremature ventricular contractions (PVCs))
- Ectopic pregnancy
- Ectropion
- Eczema, also known asAtopic dermatitis (eczema))
- Eczema, dyshidrotic, also known asDyshidrosis)
- ED, also known asErectile dysfunction)
- Edema
- Edema, pulmonary, also known asPulmonary edema)
- Egg allergy
- Ehlers-Danlos syndrome
- Ehrlichiosis and anaplasmosis
- Eisenmenger syndrome
- Elevated blood pressure
- Embolism, pulmonary, also known asPulmonary embolism)
- Embryonal tumors
- Emphysema
- Encephalitis
- Encopresis
- End stage kidney failure, also known asEnd-stage renal disease)
- Endocardial cushion defect, also known asAtrioventricular canal defect)
- Endocarditis
- Endometrial cancer
- Endometrial polyps, also known asUterine polyps)
- Endometriosis
- End-stage renal disease
- Enlarged breasts in men, also known asEnlarged breasts in men (gynecomastia))
- Enlarged breasts in men (gynecomastia)
- Enlarged heart
- Enlarged liver
- Enlarged prostate, also known asBenign prostatic hyperplasia (BPH))
- Enlarged spleen (splenomegaly)
- Enlarged thyroid, also known asGoiter)
- Entropion
- Eosinophilic esophagitis
- Eosinophilic granulomatosis with polyangiitis , also known asChurg-Strauss syndrome)
- Ependymoma
- Epicondylitis, lateral, also known asTennis elbow)
- Epidermoid cysts
- Epidermolysis bullosa
- Epididymitis
- Epidural hematoma, also known asIntracranial hematoma)
- Epiglottitis
- Epilepsy
- Epilepsy, frontal lobe, also known asFrontal lobe seizures)
- Epithelioid sarcoma
- Erectile dysfunction
- Erythema infectiosum, also known asParvovirus infection)
- Erythema multiforme major, also known asStevens-Johnson syndrome)
- Escherichia coli infection, also known asE. coli)
- Esophageal achalasia, also known asAchalasia)
- Esophageal cancer
- Esophageal spasms
- Esophageal varices
- Esophagitis
- Essential thrombocythemia
- Essential tremor
- Esthesioneuroblastoma
- Ewing sarcoma
- Excess facial hair in women, also known asHirsutism)
- Excess growth hormone, also known asAcromegaly)
- Excessive daytime sleepiness, also known asNarcolepsy)
- Excessive menstrual bleeding, also known asMenorrhagia (heavy menstrual bleeding))
- Exercise headaches
- Exercise-induced asthma
- External otitis, also known asSwimmer’s ear)
- Extrasystole, also known asPremature ventricular contractions (PVCs))
- Eye floaters
- Eye focusing, also known asConvergence insufficiency)
- Eye melanoma
- Eyelid inflammation, also known asBlepharitis)
- Eyestrain
- Facial hair, excess in women, also known asHirsutism)
- Facial palsy, also known asBell’s palsy)
- Factitious disorder
- Factor V Leiden
- Fallen arches, also known asFlatfeet)
- Fallot, tetralogy of, also known asTetralogy of Fallot)
- Familial adenomatous polyposis
- Familial hypercholesterolemia
- Familial Mediterranean fever
- Familial paroxysmal peritonitis, also known asFamilial Mediterranean fever)
- FAP, also known asFamilial adenomatous polyposis)
- Farsightedness
- Febrile seizure
- Fecal incontinence
- Female infertility
- Female sexual dysfunction
- Femoroacetabular impingement, also known asHip impingement)
- Fetal alcohol syndrome
- Fetal macrosomia
- Fever
- Fever blister, also known asCold sore)
- Fever, valley, also known asValley fever)
- Fevers, viral hemorrhagic, also known asViral hemorrhagic fevers)
- FH, also known asFamilial hypercholesterolemia)
- Fibroadenoma
- Fibrocystic breasts
- Fibroids, uterine, also known asUterine fibroids)
- Fibromuscular dysplasia
- Fibromyalgia
- Fibrosis, cystic, also known asCystic fibrosis)
- Fibrosis, interstitial pulmonary, also known asInterstitial lung disease)
- Fibrosis, pulmonary, also known asPulmonary fibrosis)
- Fibrous dysplasia
- Fifth disease, also known asParvovirus infection)
- Filoviruses, also known asViral hemorrhagic fevers)
- Fistula, arteriovenous, also known asArteriovenous fistula)
- Flatfeet
- Flaviviruses, also known asViral hemorrhagic fevers)
- Floaters, also known asEye floaters)
- Floor of the mouth cancer
- Floppy valve syndrome, also known asMitral valve prolapse)
- Flu, also known asInfluenza (flu))
- Flu, avian, also known asBird flu (avian influenza))
- Flu, bird, also known asBird flu (avian influenza))
- Flu, swine, also known asH1N1 flu (swine flu))
- Fluid around the heart, also known asPericardial effusion)
- Focal segmental glomerulosclerosis (FSGS)
- Folate deficiency anemia, also known asVitamin deficiency anemia)
- Folliculitis
- Food allergy
- Food allergy, egg, also known asEgg allergy)
- Food allergy, milk, also known asMilk allergy)
- Food poisoning
- Food-borne illness, also known asFood poisoning)
- Foot drop
- Foot fracture, also known asBroken foot)
- Foramen ovale, also known asPatent foramen ovale)
- Fracture, arm, also known asBroken arm)
- Fracture, greenstick, also known asGreenstick fractures)
- Fracture, growth plate, also known asGrowth plate fractures)
- Fracture, hip, also known asHip fracture)
- Fracture, incomplete, also known asGreenstick fractures)
- Fracture, leg, also known asBroken leg)
- Fracture, stress, also known asStress fractures)
- Fractured nose, also known asBroken nose)
- Fractured ribs, also known asBroken ribs)
- Frontal lobe epilepsy, also known asFrontal lobe seizures)
- Frontal lobe seizures
- Frontotemporal dementia
- Frontotemporal lobar degeneration, also known asFrontotemporal dementia)
- Frostbite
- Frozen shoulder
- FSGS, also known asFocal segmental glomerulosclerosis (FSGS))
- Fuchs’ dystrophy
- Functional dyspepsia
- Functional neurologic disorder/conversion disorder
- Fungal infection, nail, also known asNail fungus)
- Funnel chest, also known asPectus excavatum)
- GAD, also known asGeneralized anxiety disorder)
- Galactorrhea
- Gallbladder cancer
- Gallbladder inflammation, also known asCholecystitis)
- Gallstones
- Gambling, compulsive, also known asCompulsive gambling)
- Ganglion cyst
- Gangrene
- Gas and gas pains
- Gastric cancer, also known asStomach cancer)
- Gastric emptying, delayed, also known asGastroparesis)
- Gastric emptying, rapid, also known asDumping syndrome)
- Gastritis
- Gastroenteritis, viral, also known asViral gastroenteritis (stomach flu))
- Gastroesophageal reflux disease, also known asGastroesophageal reflux disease (GERD))
- Gastroesophageal reflux disease (GERD)
- Gastrointestinal bleeding
- Gastrointestinal stromal tumor (GIST)
- Gastroparesis
- Gaucher disease
- Gender dysphoria
- Gender identity disorder, also known asGender dysphoria)
- Generalized anxiety disorder
- Genital herpes
- Genital warts
- Geographic tongue
- Germ cell tumors
- German measles, also known asRubella)
- Gestational diabetes
- Giant cell arteritis
- Giant lymph node hyperplasia, also known asCastleman disease)
- Giardia infection (giardiasis)
- Gilbert’s syndrome
- Gingivitis
- Glaucoma
- Glioblastoma
- Glioma
- Globoid cell leukodystrophy, also known asKrabbe disease)
- Glomerulonephritis
- Glossodynia, also known asBurning mouth syndrome)
- Glucocerebrosidase deficiency, also known asGaucher disease)
- Gluten-sensitive enteropathy, also known asCeliac disease)
- Goiter
- Golfer’s elbow
- Gonorrhea
- Gout
- Grand mal seizure
- Granuloma annulare
- Granulomatosis with polyangiitis
- Graves’ disease
- Greenstick fractures
- Grief, also known asComplicated grief)
- Gross hematuria, also known asBlood in urine (hematuria))
- Group B strep disease
- Growing pains
- Growth hormone excess, also known asAcromegaly)
- Growth plate fractures
- Guillain-Barre syndrome
- Gum disease, gingivitis, also known asGingivitis)
- Gum disease, periodontitis, also known asPeriodontitis)
- H. pylori infection, also known asHelicobacter pylori (H. pylori) infection)
- H1N1 flu, also known asH1N1 flu (swine flu))
- H1N1 flu (swine flu)
- H1N1v flu, also known asH1N1 flu (swine flu))
- H3N2v flu, also known asH1N1 flu (swine flu))
- Hair loss
- Hair-pulling disorder, also known asTrichotillomania (hair-pulling disorder))
- Hairy cell leukemia
- Hairy tongue, also known asBlack hairy tongue)
- Halitosis, also known asBad breath)
- Hammertoe and mallet toe
- Hamstring injury
- Hand fracture, also known asBroken hand)
- Hand pain, also known asWrist pain)
- Hand-foot-and-mouth disease
- Hangovers
- Hantavirus pulmonary syndrome
- Hardening of the arteries, also known asArteriosclerosis / atherosclerosis)
- Hashimoto’s disease
- HAV infection, also known asHepatitis A)
- Hay fever
- HBV infection, also known asHepatitis B)
- HCV infection, also known asHepatitis C)
- Head and neck cancers
- Head lice
- Head trauma, coma, also known asComa)
- Headache, chronic daily, also known asChronic daily headaches)
- Headache, cluster, also known asCluster headache)
- Headache, exercise, also known asExercise headaches)
- Headache, ice cream, also known asIce cream headaches)
- Headache, migraine, also known asMigraine)
- Headache, primary cough, also known asCough headaches)
- Headache, sex, also known asSex headaches)
- Headache, sinus, also known asSinus headaches)
- Headache, spinal, also known asSpinal headaches)
- Headache, tension, also known asTension headache)
- Headache, thunderclap, also known asThunderclap headaches)
- Headaches in children
- Health anxiety, also known asIllness anxiety disorder)
- Hearing loss
- Heart arrhythmia
- Heart attack
- Heart defects in adults, also known asCongenital heart disease in adults)
- Heart disease
- Heart failure
- Heart murmurs
- Heart palpitations
- Heart valve disease
- Heartburn
- Heat exhaustion
- Heat rash
- Heatstroke
- Heavy menstrual periods, also known asMenorrhagia (heavy menstrual bleeding))
- Heel pain, also known asPlantar fasciitis)
- Helicobacter pylori (H. pylori) infection
- Hemangioma
- Hemangioma, liver, also known asLiver hemangioma)
- Hematoma, intracranial, also known asIntracranial hematoma)
- Hematuria, also known asBlood in urine (hematuria))
- Hemifacial spasm
- Hemochromatosis
- Hemolytic uremic syndrome (HUS)
- Hemophilia
- Hemorrhoids
- Henoch-Schonlein purpura
- Hep A, also known asHepatitis A)
- Hep B, also known asHepatitis B)
- Hep C, also known asHepatitis C)
- Hepatitis A
- Hepatitis A virus infection, also known asHepatitis A)
- Hepatitis B
- Hepatitis B virus infection, also known asHepatitis B)
- Hepatitis C
- Hepatitis C virus infection, also known asHepatitis C)
- Hepatitis, autoimmune, also known asAutoimmune hepatitis)
- Hepatitis, toxic, also known asToxic hepatitis)
- Hepatocellular carcinoma
- Hepatomegaly, also known asEnlarged liver)
- Hepatopulmonary syndrome
- Hereditary hemochromatosis, also known asHemochromatosis)
- Hereditary hemorrhagic telangiectasia
- Hereditary motor and sensory neuropathy, also known asCharcot-Marie-Tooth disease)
- Hereditary nonpolyposis colorectal cancer syndrome, also known asLynch syndrome)
- Hereditary progressive arthro-ophthalmopathy, also known asStickler syndrome)
- Hernia, hiatal, also known asHiatal hernia)
- Hernia, inguinal, also known asInguinal hernia)
- Hernia, umbilical, also known asUmbilical hernia)
- Herniated disk
- Herpes zoster, also known asShingles)
- Herpes zoster oticus, also known asRamsay Hunt syndrome)
- Herpes, genital, also known asGenital herpes)
- Hiatal hernia
- Hiccups
- Hidradenitis suppurativa
- High blood pressure (hypertension)
- High blood pressure in children
- High blood pressure, secondary, also known asSecondary hypertension)
- High cholesterol
- High-flow priapism, also known asPriapism)
- Hilar cholangiocarcinoma
- Hip dysplasia
- Hip fracture
- Hip impingement
- Hip labral tear
- Hirschsprung’s disease
- Hirsutism
- Histoplasmosis
- HIV/AIDS
- Hives and angioedema
- Hives, chronic, also known asChronic hives)
- Hoarding disorder
- Hoarse voice, also known asLaryngitis)
- Hodgkin’s disease, also known asHodgkin’s lymphoma (Hodgkin’s disease))
- Hodgkin’s lymphoma (Hodgkin’s disease)
- Hordeolum, also known asSty)
- Horner syndrome
- Horner-Bernard syndrome, also known asHorner syndrome)
- Hot flashes
- HPV infection
- Human immunodeficiency virus, also known asHIV/AIDS)
- Human papillomavirus infection, also known asHPV infection)
- Hunchback, also known asKyphosis)
- Hunter syndrome
- Huntington’s disease
- Hunt’s syndrome, also known asRamsay Hunt syndrome)
- Hurthle cell cancer
- Hutchinson-Gilford progeria syndrome, also known asProgeria)
- Hydrocele
- Hydrocephalus
- Hydronephrosis
- Hypercalcemia
- Hypercholesterolemia, also known asHigh cholesterol)
- Hypercholesterolemia, familial, also known asFamilial hypercholesterolemia)
- Hypercortisolism, also known asCushing syndrome)
- Hypereosinophilic syndrome
- Hyperglycemia in diabetes
- Hyperhidrosis
- Hypermenorrhea, also known asMenorrhagia (heavy menstrual bleeding))
- Hyperopia, also known asFarsightedness)
- Hyperoxaluria and oxalosis
- Hyperparathyroidism
- Hypersexuality, also known asCompulsive sexual behavior)
- Hypertension, also known asHigh blood pressure (hypertension))
- Hypertension, pregnancy-related, also known asPreeclampsia)
- Hypertension, pulmonary, also known asPulmonary hypertension)
- Hyperthyroidism (overactive thyroid)
- Hypertrophic cardiomyopathy
- Hypoactive sexual desire disorder, also known asLow sex drive in women)
- Hypochondria, also known asIllness anxiety disorder)
- Hypoglycemia
- Hypoglycemia, diabetic, also known asDiabetic hypoglycemia)
- Hypohidrosis, also known asAnhidrosis)
- Hypohydration, also known asDehydration)
- Hyponatremia
- Hypoparathyroidism
- Hypopituitarism
- Hypoplastic left heart syndrome
- Hypospadias
- Hypotension, also known asLow blood pressure (hypotension))
- Hypothermia
- Hypothyroidism (underactive thyroid)
- IBD, also known asInflammatory bowel disease (IBD))
- IBS, also known asIrritable bowel syndrome)
- Ice cream headaches
- Ichthyosis vulgaris
- Idiopathic hypersomnia
- Idiopathic intracranial hypertension, also known asPseudotumor cerebri (idiopathic intracranial hypertension))
- Idiopathic myelofibrosis, also known asMyelofibrosis)
- Idiopathic thrombocytopenic purpura, also known asImmune thrombocytopenia (ITP))
- Idiopathic toe walking, also known asToe walking in children)
- IgA nephropathy (Berger’s disease)
- IgA vasculitis, also known asHenoch-Schonlein purpura)
- IIH, also known asPseudotumor cerebri (idiopathic intracranial hypertension))
- Illness anxiety disorder
- Immune thrombocytopenia (ITP)
- Immune thrombocytopenic purpura, also known asImmune thrombocytopenia (ITP))
- Impacted wisdom teeth
- Impaired glucose tolerance, also known asPrediabetes)
- Impetigo
- Impotence, also known asErectile dysfunction)
- Inborn error of metabolism, also known asInherited metabolic disorders)
- Incompetent cervix
- Incomplete fracture, also known asGreenstick fractures)
- Incontinence, bowel, also known asFecal incontinence)
- Incontinence, fecal, also known asFecal incontinence)
- Incontinence, nighttime, also known asBed-wetting)
- Incontinence, urinary, also known asUrinary incontinence)
- Indigestion
- Infant jaundice
- Infant reflux
- Infantile hemangioma, also known asHemangioma)
- Infectious arthritis, also known asSeptic arthritis)
- Infectious diseases
- Infertility
- Infertility, female, also known asFemale infertility)
- Infertility, male, also known asMale infertility)
- Inflammatory bowel disease (IBD)
- Inflammatory breast cancer
- Inflammed gallbladder, also known asCholecystitis)
- Inflammed pancreas, also known asPancreatitis)
- Inflammed pericardium, also known asPericarditis)
- Influenza (flu)
- Influenza, avian, also known asBird flu (avian influenza))
- Influenza, H1N1, also known asH1N1 flu (swine flu))
- Influenza, swine flu, also known asH1N1 flu (swine flu))
- Ingrown hair
- Ingrown toenails
- Inguinal hernia
- Inherited metabolic disorders
- Insomnia
- Insulin resistance syndrome, also known asMetabolic syndrome)
- Intermittent explosive disorder
- Interstitial cystitis
- Interstitial lung disease
- Intestinal ischemia
- Intestinal lipodystrophy, also known asWhipple’s disease)
- Intestinal obstruction
- Intracranial hematoma
- Intracranial venous malformations
- Intraductal carcinoma, also known asDuctal carcinoma in situ (DCIS))
- Intrahepatic cholestasis of pregnancy, also known asCholestasis of pregnancy)
- Intraocular melanoma, also known asEye melanoma)
- Intussusception
- Invasive lobular carcinoma
- Iritis
- Iron deficiency anemia
- Iron overload, also known asHemochromatosis)
- Irritable bowel syndrome
- Ischemia, intestinal, also known asIntestinal ischemia)
- Ischemic bone necrosis, also known asAvascular necrosis)
- Ischemic colitis
- Ischemic priapism, also known asPriapism)
- Islet cell cancer, also known asPancreatic neuroendocrine tumors)
- Itchy skin (pruritus)
- ITP, also known asImmune thrombocytopenia (ITP))
- Jaw tumors and cysts
- Jellyfish stings
- Jet lag disorder
- Jock itch
- Jumper’s knee, also known asPatellar tendinitis)
- Juvenile idiopathic arthritis
- Juvenile rheumatoid arthritis, also known asJuvenile idiopathic arthritis)
- Juvenile schizophrenia, also known asChildhood schizophrenia)
- Kaposi’s sarcoma
- Kawasaki disease
- Keloid scar
- Keratitis
- Keratoconjunctivitis sicca, also known asDry eyes)
- Keratoconus
- Keratosis pilaris
- Keratosis, actinic, also known asActinic keratosis)
- Keratosis, seborrheic, also known asSeborrheic keratosis)
- Ketoacidosis, diabetic, also known asDiabetic ketoacidosis)
- Kidney cancer
- Kidney cysts
- Kidney disease, chronic, also known asChronic kidney disease)
- Kidney failure, acute, also known asAcute kidney failure)
- Kidney failure, chronic, also known asChronic kidney disease)
- Kidney infection
- Kidney stones
- Kissing disease, also known asMononucleosis)
- Klatskin tumor, also known asHilar cholangiocarcinoma)
- Kleptomania
- Klinefelter syndrome
- Klippel-Trenaunay syndrome
- Knee bursitis
- Knee pain
- KP, also known asKeratosis pilaris)
- Krabbe disease
- Kyphosis
- Lactase deficiency, also known asLactose intolerance)
- Lactation mastitis, also known asMastitis)
- Lactose intolerance
- Laryngitis
- Lassa fever, also known asViral hemorrhagic fevers)
- Lateral elbow tendinopathy, also known asTennis elbow)
- Lateral epicondylitis, also known asTennis elbow)
- Lateral epicondylosis, also known asTennis elbow)
- Latex allergy
- Lazy eye (amblyopia)
- LCIS, also known asLobular carcinoma in situ (LCIS))
- Lead poisoning
- Left ventricular hypertrophy
- Leg fracture, also known asBroken leg)
- Legg-Calve-Perthes disease
- Legionellosis, also known asLegionnaires’ disease)
- Legionnaires’ disease
- Leiomyosarcoma
- Lentigines, solar, also known asAge spots (liver spots))
- Leukemia
- Leukemia, acute lymphocytic, also known asAcute lymphocytic leukemia)
- Leukemia, acute myelogenous, also known asAcute myelogenous leukemia)
- Leukemia, chronic lymphocytic, also known asChronic lymphocytic leukemia)
- Leukemia, chronic myelogenous, also known asChronic myelogenous leukemia)
- Leukemia, general, also known asLeukemia)
- Leukemia, hairy cell, also known asHairy cell leukemia)
- Leukoplakia
- Lewy body dementia
- Lice
- Lice, body, also known asBody lice)
- Lichen nitidus
- Lichen planus
- Lichen planus, oral, also known asOral lichen planus)
- Lichen sclerosus
- Lichen simplex chronicus, also known asNeurodermatitis)
- Lip cancer, also known asMouth cancer)
- Lip cancer
- Lipodystrophy, intestinal, also known asWhipple’s disease)
- Lipoma
- Liposarcoma
- Listeria infection
- Listeriosis, also known asListeria infection)
- Liver cancer
- Liver disease
- Liver failure, acute, also known asAcute liver failure)
- Liver hemangioma
- Liver spots, also known asAge spots (liver spots))
- Liver, enlarged, also known asEnlarged liver)
- Lobular carcinoma in situ (LCIS)
- Lockjaw, also known asTetanus)
- Long QT syndrome
- Loss of bladder control, also known asUrinary incontinence)
- Lou Gehrig’s disease, also known asAmyotrophic lateral sclerosis (ALS))
- Low blood pressure (hypotension)
- Low blood sugar, also known asHypoglycemia)
- Low body temperature, also known asHypothermia)
- Low sex drive in women
- Low sperm count
- Low testosterone, also known asMale hypogonadism)
- Low-flow priapism, also known asPriapism)
- Lung cancer
- Lung collapse, also known asAtelectasis)
- Lung collapse, also known asPneumothorax)
- Lung disease, interstitial, also known asInterstitial lung disease)
- Lupus
- Lupus nephritis
- Lyme disease
- Lymph nodes, swollen, also known asSwollen lymph nodes)
- Lymphadenitis, also known asSwollen lymph nodes)
- Lymphadenitis, mesenteric, also known asMesenteric lymphadenitis)
- Lymphedema
- Lymphoma
- Lymphoma, Hodgkin’s, also known asHodgkin’s lymphoma (Hodgkin’s disease))
- Lymphoma, non-Hodgkin’s, also known asNon-Hodgkin’s lymphoma)
- Lymphoplasmacytic lymphoma, also known asWaldenstrom macroglobulinemia)
- Mad cow disease, also known asCreutzfeldt-Jakob disease)
- Major depressive disorder, also known asDepression (major depressive disorder))
- Malaria
- Male breast cancer
- Male hypogonadism
- Male infertility
- Malignant fibrous histiocytoma, also known asUndifferentiated pleomorphic sarcoma)
- Malignant hyperthermia
- Malignant mesothelioma, also known asMesothelioma)
- Malignant peripheral nerve sheath tumors
- Mallet toe and hammertoe, also known asHammertoe and mallet toe)
- MALS, also known asMedian arcuate ligament syndrome (MALS))
- Mammary duct ectasia
- Manic-depressive illness, also known asBipolar disorder)
- Marburg virus, also known asEbola virus and Marburg virus)
- Marfan syndrome
- Mastalgia, also known asBreast pain)
- Mastitis
- MCAD deficiency
- MD, also known asMuscular dystrophy)
- Measles
- Measles, German, also known asRubella)
- Medial epicondylitis, also known asGolfer’s elbow)
- Medial tibial stress syndrome, also known asShin splints)
- Median arcuate ligament syndrome (MALS)
- Medication overuse headaches
- Mediterranean anemia, also known asThalassemia)
- Medulloblastoma
- Megacolon, also known asHirschsprung’s disease)
- Megaloblastic anemia, also known asVitamin deficiency anemia)
- Melanoma
- Melanoma of the eye, also known asEye melanoma)
- Membranous nephropathy
- Meniere’s disease
- Meningioma
- Meningitis
- Meniscus tear, also known asTorn meniscus)
- Menopause
- Menorrhagia (heavy menstrual bleeding)
- Menstrual bleeding, excessive, also known asMenorrhagia (heavy menstrual bleeding))
- Menstrual cramps
- Mental illness
- Meralgia paresthetica
- Merkel cell carcinoma
- Mesenteric ischemia
- Mesenteric lymphadenitis
- Mesothelioma
- Metabolic syndrome
- Metachromatic leukodystrophy
- Metastatic brain cancer, also known asBrain metastases)
- Metatarsalgia
- Methicillin-resistant staphylococcus aureus infection, also known asMRSA infection)
- MGUS, also known asMonoclonal gammopathy of undetermined significance (MGUS))
- Microcephaly
- Microscopic colitis
- Microscopic hematuria, also known asBlood in urine (hematuria))
- Migraine
- Migraine with aura
- Mild cognitive impairment (MCI)
- Milia
- Miliaria, also known asHeat rash)
- Milk allergy
- Milk intolerance, also known asLactose intolerance)
- Miscarriage
- Mitral valve disease
- Mitral valve prolapse
- Mitral valve regurgitation
- Mitral valve stenosis
- Mittelschmerz
- Mixed connective tissue disease
- Molar pregnancy
- Mold allergy
- Moles
- Molluscum contagiosum
- Mono, also known asMononucleosis)
- Monoclonal gammopathy of undetermined significance (MGUS)
- Mononucleosis
- Mood disorders
- Morning sickness
- Morphea
- Morton’s neuroma
- Mosquito bites
- Mouth cancer
- Movement disorders
- Moyamoya disease
- MRSA infection
- MS, also known asMultiple sclerosis)
- MSA, also known asMultiple system atrophy (MSA))
- Mucocutaneous lymph node syndrome, also known asKawasaki disease)
- Mucopolysaccharidosis type II, also known asHunter syndrome)
- Multiple endocrine neoplasia type 1, also known asMultiple endocrine neoplasia, type 1 (MEN 1))
- Multiple endocrine neoplasia, type 1 (MEN 1)
- Multiple myeloma
- Multiple sclerosis
- Multiple system atrophy (MSA)
- Multisystem inflammatory syndrome in children (MIS-C)
- Mumps
- Muscle cramp
- Muscle strains
- Muscular dystrophy
- Myasthenia gravis
- Myelodysplastic syndromes
- Myelofibrosis
- Myocardial infarction, also known asHeart attack)
- Myocardial ischemia
- Myocarditis
- Myoclonus
- Myofascial pain syndrome
- Myopia, also known asNearsightedness)
- Myxofibrosarcoma
- Naegleria infection
- Nail fungus
- Narcissistic personality disorder
- Narcolepsy
- Nasal and paranasal tumors
- Nasal polyps
- Nasopharyngeal carcinoma
- Nearsightedness
- Neck pain
- Nephroblastoma, also known asWilms’ tumor)
- Nephrogenic systemic fibrosis
- Nephrotic syndrome
- Nervous system, paraneoplastic syndromes, also known asParaneoplastic syndromes of the nervous system)
- Neuralgia, postherpetic, also known asPostherpetic neuralgia)
- Neuralgia, trigeminal, also known asTrigeminal neuralgia)
- Neuroblastoma
- Neurocardiogenic syncope, also known asVasovagal syncope)
- Neurodermatitis
- Neuroendocrine carcinoma of the skin, also known asMerkel cell carcinoma)
- Neuroendocrine tumors
- Neurofibroma
- Neurofibromatosis
- Neurofibrosarcoma, also known asMalignant peripheral nerve sheath tumors)
- Neuroma, acoustic, also known asAcoustic neuroma)
- Neuroma, Morton’s, also known asMorton’s neuroma)
- Neuroma, plantar, also known asMorton’s neuroma)
- Neuromyelitis optica
- Neuromyelitis optica spectrum disorder, also known asNeuromyelitis optica)
- Neuropathy, autonomic, also known asAutonomic neuropathy)
- Neuropathy, diabetic, also known asDiabetic neuropathy)
- Neuropathy, hereditary motor and sensory, also known asCharcot-Marie-Tooth disease)
- Neuropathy, peripheral, also known asPeripheral neuropathy)
- Nevus, also known asMoles)
- Nickel allergy
- Nicotine addiction, also known asNicotine dependence)
- Nicotine dependence
- Niemann-Pick
- Nightmare disorder
- Nighttime incontinence, also known asBed-wetting)
- Noctural enuresis, also known asBed-wetting)
- Noise-related hearing loss, also known asHearing loss)
- Nonalcoholic fatty liver disease
- Nonallergic rhinitis
- Non-Hodgkin’s lymphoma
- Nonischemic priapism, also known asPriapism)
- Nonmelanoma skin cancer
- Nontropical sprue, also known asCeliac disease)
- Nonulcer dyspepsia, also known asFunctional dyspepsia)
- Noonan syndrome
- Norovirus infection
- Nose fracture, also known asBroken nose)
- Nymphomania, also known asCompulsive sexual behavior)
- OAB, also known asOveractive bladder)
- Obesity
- Obesity, childhood, also known asChildhood obesity)
- Obsessive-compulsive disorder (OCD)
- Obstetric cholestasis, also known asCholestasis of pregnancy)
- Obstructive sleep apnea in children, also known asPediatric obstructive sleep apnea)
- Occupational asthma
- OCD, also known asObsessive-compulsive disorder (OCD))
- Ocular albinism, also known asAlbinism)
- Ocular melanoma, also known asEye melanoma)
- Ocular rosacea
- Oculocutaneous albinism, also known asAlbinism)
- Oculosympathetic palsy, also known asHorner syndrome)
- ODD, also known asOppositional defiant disorder (ODD))
- Odontogenic tumors and cysts, also known asJaw tumors and cysts)
- OHSS, also known asOvarian hyperstimulation syndrome)
- Olfactory neuroblastoma, also known asEsthesioneuroblastoma)
- Oligodendroglioma
- Onychomycosis, also known asNail fungus)
- Oppositional defiant disorder (ODD)
- Optic neuritis
- Oral cancer, also known asMouth cancer)
- Oral candidiasis, also known asOral thrush)
- Oral lichen planus
- Oral thrush
- Orchitis
- Orthostatic hypotension (postural hypotension)
- Osgood-Schlatter disease
- Osteoarthritis
- Osteoarthritis, cervical, also known asCervical spondylosis)
- Osteochondritis dissecans
- Osteogenic sarcoma, also known asOsteosarcoma)
- Osteomalacia
- Osteomyelitis
- Osteonecrosis, also known asAvascular necrosis)
- Osteophytes, also known asBone spurs)
- Osteoporosis
- Osteosarcoma
- Otitis externa, also known asSwimmer’s ear)
- Otitis media, also known asEar infection (middle ear))
- Outer ear infection, also known asSwimmer’s ear)
- Ovarian cancer
- Ovarian cysts
- Ovarian hyperstimulation syndrome
- Overactive bladder
- Overactive thyroid, also known asHyperthyroidism (overactive thyroid))
- Oxyphil cell carcinoma, also known asHurthle cell cancer)
- PAD, also known asPeripheral artery disease (PAD))
- PAES, also known asPopliteal artery entrapment syndrome)
- Paget’s disease of bone
- Paget’s disease of the breast
- Pain, back, also known asBack pain)
- Pain, chest, also known asChest pain)
- Pain, wrist, also known asWrist pain)
- Painful bladder syndrome, also known asInterstitial cystitis)
- Painful intercourse (dyspareunia)
- Painful periods, also known asMenstrual cramps)
- Palsy, Bell’s, also known asBell’s palsy)
- Palsy, cerebral, also known asCerebral palsy)
- Palsy, facial, also known asBell’s palsy)
- Pancreas inflammation, also known asPancreatitis)
- Pancreatic cancer
- Pancreatic cysts
- Pancreatic neuroendocrine tumors
- Pancreatitis
- Panic attacks and panic disorder
- PAPVR, also known asPartial anomalous pulmonary venous return)
- Paraganglioma
- Paraneoplastic syndromes, also known asParaneoplastic syndromes of the nervous system)
- Paraneoplastic syndromes of the nervous system
- Parkinson’s disease
- Parotid tumors
- Partial anomalous pulmonary venous connection, also known asPartial anomalous pulmonary venous return)
- Partial anomalous pulmonary venous return
- Parvovirus infection
- Patellar tendinitis
- Patellofemoral pain syndrome
- Patent ductus arteriosus (PDA)
- Patent foramen ovale
- Pathological gambling, also known asCompulsive gambling)
- Pathological laughter and crying, also known asPseudobulbar affect)
- Pathological stealing, also known asKleptomania)
- PBA, also known asPseudobulbar affect)
- PCOS, also known asPolycystic ovary syndrome (PCOS))
- PDA, also known asPatent ductus arteriosus (PDA))
- Peanut allergy
- Pectus carinatum
- Pectus excavatum
- Pediatric brain tumors
- Pediatric obstructive sleep apnea
- Pediatric thrombocytopenia
- Pediatric white blood cell disorders
- Pediculosis capitis, also known asHead lice)
- Pelvic inflammatory disease (PID)
- Pelvic organ prolapse
- Pelvic pain, chronic, also known asChronic pelvic pain in women)
- Pelvic support problems, uterine prolapse, also known asUterine prolapse)
- Pemphigus
- Penicillin allergy
- Peptic ulcer
- Perforated eardrum, also known asRuptured eardrum (perforated eardrum))
- Pericardial effusion
- Pericardial inflammation, also known asPericarditis)
- Pericarditis
- Perimenopause
- Periodontal disease, gingivitis, also known asGingivitis)
- Periodontal disease, periodontitis, also known asPeriodontitis)
- Periodontitis
- Peripheral artery disease (PAD)
- Peripheral nerve injuries
- Peripheral nerve tumors
- Peripheral neuropathy
- Peripheral vascular disease, also known asPeripheral artery disease (PAD))
- Peritonitis
- Pernicious anemia, also known asVitamin deficiency anemia)
- Pernio, also known asChilblains)
- Peroneal muscular atrophy, also known asCharcot-Marie-Tooth disease)
- Persistent depressive disorder (dysthymia)
- Persistent post-concussive symptoms (Post-concussion syndrome)
- Personality disorder, antisocial, also known asAntisocial personality disorder)
- Personality disorder, borderline, also known asBorderline personality disorder)
- Personality disorder, narcissistic, also known asNarcissistic personality disorder)
- Personality disorder, schizoid, also known asSchizoid personality disorder)
- Personality disorder, schizotypal, also known asSchizotypal personality disorder)
- Personality disorders
- Pertussis, also known asWhooping cough)
- Pes planus, also known asFlatfeet)
- Pet allergy
- Petit mal seizure, also known asAbsence seizure)
- Peyronie’s disease
- Phantom pain
- Pharyngitis, also known asSore throat)
- Phenylketonuria (PKU)
- Pheochromocytoma
- Phlebitis, also known asThrombophlebitis)
- Phobia, social, also known asSocial anxiety disorder (social phobia))
- Pick’s disease, also known asFrontotemporal dementia)
- PID, also known asPelvic inflammatory disease (PID))
- Piles, also known asHemorrhoids)
- Pilonidal cyst
- Pilonidal dimple, also known asSacral dimple)
- Pimples, also known asAcne)
- Pinched nerve
- Pineoblastoma
- Pink eye (conjunctivitis)
- Pinworm infection
- Pituitary insufficiency, also known asHypopituitarism)
- Pituitary tumors
- Pityriasis rosea
- Pityriasis versicolor, also known asTinea versicolor)
- PKD, also known asPolycystic kidney disease)
- PKU, also known asPhenylketonuria (PKU))
- Placenta accreta
- Placenta previa
- Placental abruption
- Plague
- Plantar fasciitis
- Plantar neuroma, also known asMorton’s neuroma)
- Plantar warts
- Pleurisy
- Pleuritis, also known asPleurisy)
- PLS, also known asPrimary lateral sclerosis (PLS))
- Pneumonia
- Pneumonitis
- Pneumothorax
- POEMS syndrome
- Poison ivy rash
- Polio
- Polycystic kidney disease
- Polycystic ovary syndrome (PCOS)
- Polycythemia vera
- Polyhydramnios
- Polymorphous light eruption
- Polymyalgia rheumatica
- Polymyositis
- Polyps, colon, also known asColon polyps)
- Polyps, endometrial, also known asUterine polyps)
- Polyps, nasal, also known asNasal polyps)
- Polyps, stomach, also known asStomach polyps)
- Polyps, uterine, also known asUterine polyps)
- Pompholyx, also known asDyshidrosis)
- Poor color vision, also known asColor blindness)
- Popliteal artery aneurysm
- Popliteal artery entrapment syndrome
- Popliteal cyst, also known asBaker’s cyst)
- Porphyria
- Post-cardiac injury syndrome, also known asDressler syndrome)
- Post-chemotherapy cognitive impairment, also known asChemo brain)
- Post-concussion syndrome, also known asPersistent post-concussive symptoms (Post-concussion syndrome))
- Posterior cortical atrophy
- Posterior cruciate ligament injury
- Posterior prolapse, also known asPosterior vaginal prolapse (rectocele))
- Posterior vaginal prolapse (rectocele)
- Postherpetic neuralgia
- Postmyocardial infarction syndrome, also known asDressler syndrome)
- Postpartum depression
- Postpartum hypopituitarism, also known asSheehan’s syndrome)
- Postpartum preeclampsia
- Post-polio syndrome
- Post-traumatic stress disorder (PTSD)
- Postural hypotension, also known asOrthostatic hypotension (postural hypotension))
- Pouchitis
- Prader-Labhart-Willi syndrome, also known asPrader-Willi syndrome)
- Prader-Willi syndrome
- Precocious puberty
- Prediabetes
- Preeclampsia
- Preexcitation syndrome, also known asWolff-Parkinson-White (WPW) syndrome)
- Pregnancy-related hypertension, also known asPreeclampsia)
- Premature birth
- Premature ejaculation
- Premature ovarian failure, also known asPrimary ovarian insufficiency)
- Premature puberty, also known asPrecocious puberty)
- Premature ventricular contractions (PVCs)
- Premenstrual syndrome, also known asPremenstrual syndrome (PMS))
- Premenstrual syndrome (PMS)
- Presbycusis, also known asHearing loss)
- Presbyopia
- Prescription drug abuse
- Pressure sore, also known asBedsores (pressure ulcers))
- Pressure ulcer, also known asBedsores (pressure ulcers))
- Preterm labor
- Priapism
- Prickly heat, also known asHeat rash)
- Primary adrenal insufficiency, also known asAddison’s disease)
- Primary biliary cholangitis
- Primary biliary cirrhosis, also known asPrimary biliary cholangitis)
- Primary immunodeficiency
- Primary lateral sclerosis (PLS)
- Primary ovarian insufficiency
- Primary polycythemia, also known asPolycythemia vera)
- Primary progressive aphasia
- Primary sclerosing cholangitis
- Proctitis
- Progeria
- Progressive supranuclear palsy
- Prolactinoma
- Prolapse, mitral valve, also known asMitral valve prolapse)
- Prolapsed bladder, also known asAnterior prolapse (cystocele))
- Prolapsed uterus, also known asUterine prolapse)
- Prostate cancer
- Prostate gland enlargement, also known asBenign prostatic hyperplasia (BPH))
- Prostatitis
- Pruritis ani, also known asAnal itching)
- Pruritus, also known asItchy skin (pruritus))
- Pseudobulbar affect
- Pseudocholinesterase deficiency
- Pseudogout
- Pseudomembranous colitis
- Pseudotumor cerebri (idiopathic intracranial hypertension)
- Psoriasis
- Psoriatic arthritis
- PTSD, also known asPost-traumatic stress disorder (PTSD))
- Pubic lice (crabs)
- Puffy eyes, also known asBags under eyes)
- Pulmonary atresia
- Pulmonary atresia with intact ventricular septum
- Pulmonary atresia with ventricular septum defect
- Pulmonary edema
- Pulmonary embolism
- Pulmonary fibrosis
- Pulmonary hypertension
- Pulmonary valve disease
- Pulmonary valve stenosis
- PVCs, also known asPremature ventricular contractions (PVCs))
- PVD, also known asPeripheral artery disease (PAD))
- Pyelonephritis, also known asKidney infection)
- Pyloric stenosis
- Pyoderma gangrenosum
- Q fever
- Query fever, also known asQ fever)
- Rabbit fever, also known asTularemia)
- Rabies
- Radiation enteritis
- Radiation sickness
- Ramsay Hunt syndrome
- Rapid gastric emptying, also known asDumping syndrome)
- Rapid heartbeat, also known asTachycardia)
- Rash, poison ivy, also known asPoison ivy rash)
- Raynaud’s disease
- Reactive arthritis
- Reactive attachment disorder
- Reading disability, specific, also known asDyslexia)
- Rebound headache, also known asMedication overuse headaches)
- Rectal cancer
- Rectal inflammation, also known asProctitis)
- Rectal itching, also known asAnal itching)
- Rectal prolapse
- Rectal ulcer, also known asSolitary rectal ulcer syndrome)
- Rectovaginal fistula
- Recurrent breast cancer
- Recurrent oral ulcers, also known asCanker sore)
- Red eye, also known asSubconjunctival hemorrhage (broken blood vessel in eye))
- Reflux, bile, also known asBile reflux)
- Reflux, vesicoureteral, also known asVesicoureteral reflux)
- Regurgitation, aortic valve, also known asAortic valve regurgitation)
- Regurgitation, mitral valve, also known asMitral valve regurgitation)
- Reiter’s syndrome, also known asReactive arthritis)
- REM sleep behavior disorder
- Renal artery stenosis
- Renal cancer, also known asKidney cancer)
- Renal failure, acute, also known asAcute kidney failure)
- Renal lithiasis, also known asKidney stones)
- Residual limb pain
- Respiratory syncytial virus (RSV)
- Restless legs syndrome
- Retinal detachment
- Retinal diseases
- Retinoblastoma
- Retinopathy, diabetic, also known asDiabetic retinopathy)
- Retractile testicle
- Retrograde ejaculation
- Rett syndrome
- Reye’s syndrome
- Rhabdomyosarcoma
- Rheumatic fever
- Rheumatoid arthritis
- Rhinitis, allergic, also known asHay fever)
- Rhinitis, nonallergic, also known asNonallergic rhinitis)
- Rhinitis, vasomotor, also known asNonallergic rhinitis)
- Rib fracture, also known asBroken ribs)
- Rickets
- Rift Valley fever, also known asViral hemorrhagic fevers)
- Ringing in the ear, also known asTinnitus)
- Ringworm (body)
- Ringworm (scalp)
- Ringworm of the foot, also known asAthlete’s foot)
- RLS, also known asRestless legs syndrome)
- Road rage, also known asIntermittent explosive disorder)
- Rocky Mountain spotted fever
- Rosacea
- Roseola
- Rotator cuff injury
- Rotavirus
- Round back, also known asKyphosis)
- RSV, also known asRespiratory syncytial virus (RSV))
- Rubella
- Rubeola, also known asMeasles)
- Rumination syndrome
- Runner’s knee, also known asPatellofemoral pain syndrome)
- Ruptured eardrum (perforated eardrum)
- Ruptured spleen
- Sacral dimple
- Sacroiliitis
- SAD, also known asSeasonal affective disorder (SAD))
- Salivary gland tumors
- Salmonella infection
- Salmonellosis, also known asSalmonella infection)
- Sarcoidosis
- Sarcoma
- Sarcoma, bone cancer, also known asBone cancer)
- Sarcoma, soft tissue, also known asSoft tissue sarcoma)
- SBBO, also known asSmall intestinal bacterial overgrowth (SIBO))
- Scabies
- SCAD, also known asSpontaneous coronary artery dissection (SCAD))
- Scalded mouth syndrome, also known asBurning mouth syndrome)
- Scarlatina, also known asScarlet fever)
- Scarlet fever
- Schizoaffective disorder
- Schizoid personality disorder
- Schizophrenia
- Schizophrenia, adolescent, also known asChildhood schizophrenia)
- Schizophrenia, childhood, also known asChildhood schizophrenia)
- Schizophrenia, juvenile, also known asChildhood schizophrenia)
- Schizotypal personality disorder
- Schwannoma
- SCI, also known asSpinal cord injury)
- Sciatica
- Scleroderma
- Sclerosing cholangitis, also known asPrimary sclerosing cholangitis)
- Sclerosing mesenteritis
- Sclerosis, multiple, also known asMultiple sclerosis)
- Sclerosis, systemic, also known asScleroderma)
- Scoliosis
- Scorpion sting
- Scrotal masses
- Seasonal affective disorder (SAD)
- Seasonal allergy, also known asHay fever)
- Sebaceous carcinoma
- Sebaceous cysts, also known asEpidermoid cysts)
- Seborrheic dermatitis
- Seborrheic keratosis
- Secondary brain cancer, also known asBrain metastases)
- Secondary hypertension
- Seizure disorder, also known asEpilepsy)
- Seizure, absence, also known asAbsence seizure)
- Seizure, febrile, also known asFebrile seizure)
- Seizure, grand mal, also known asGrand mal seizure)
- Seizure, petit mal, also known asAbsence seizure)
- Seizure, temporal lobe, also known asTemporal lobe seizure)
- Seizures
- Selective IgA deficiency
- Self harming, also known asSelf-injury/cutting)
- Self-injury/cutting
- Separation anxiety disorder
- Sepsis
- Septal defect, atrial, also known asAtrial septal defect (ASD))
- Septal defect, atrioventricular, also known asAtrioventricular canal defect)
- Septal defect, ventricular, also known asVentricular septal defect (VSD))
- Septic arthritis
- Serotonin syndrome
- Severe acute respiratory syndrome, also known asSevere acute respiratory syndrome (SARS))
- Severe acute respiratory syndrome (SARS)
- Severe brain injury, coma, also known asComa)
- Sex headaches
- Sexual dysfunction, female, also known asFemale sexual dysfunction)
- Sexual obsession, also known asCompulsive sexual behavior)
- Sexually transmitted diseases (STDs)
- Shaken baby syndrome
- Sheehan’s syndrome
- Shellfish allergy
- Shigella infection
- Shin splints
- Shingles
- Short bowel syndrome
- Shoulder dislocation, also known asDislocated shoulder)
- Shy-Drager syndrome, also known asMultiple system atrophy (MSA))
- SIBO, also known asSmall intestinal bacterial overgrowth (SIBO))
- Sick sinus syndrome
- Sickle cell anemia
- SIDS, also known asSudden infant death syndrome (SIDS))
- Sin Nombre virus infection, also known asHantavirus pulmonary syndrome)
- Sinus headaches
- Sinusitis, acute, also known asAcute sinusitis)
- Sinusitis, chronic, also known asChronic sinusitis)
- Sjogren’s syndrome
- Skin cancer
- Skin cancer, melanoma, also known asMelanoma)
- Skin, itchy, also known asItchy skin (pruritus))
- Skipped heartbeats, also known asHeart palpitations)
- Slapped cheek disease, also known asParvovirus infection)
- Sleep apnea
- Sleep apnea in children, obstructive, also known asPediatric obstructive sleep apnea)
- Sleep apnea, central, also known asCentral sleep apnea)
- Sleep apnea, obstructive
- Sleep disorders
- Sleep terrors, also known asSleep terrors (night terrors))
- Sleep terrors (night terrors)
- Sleepiness, daytime, also known asNarcolepsy)
- Sleeplessness, also known asInsomnia)
- Sleepwalking
- Slipped disk, also known asHerniated disk)
- Slow heartbeat, also known asBradycardia)
- Small bowel bacterial overgrowth, also known asSmall intestinal bacterial overgrowth (SIBO))
- Small bowel cancer
- Small bowel prolapse, also known asSmall bowel prolapse (enterocele))
- Small bowel prolapse (enterocele)
- Small intestinal bacterial overgrowth (SIBO)
- Small intestine prolapse, also known asSmall bowel prolapse (enterocele))
- Small vessel disease
- Smallpox
- Snoring
- Social anxiety disorder (social phobia)
- Soft palate cancer
- Soft tissue sarcoma
- Solar keratosis, also known asActinic keratosis)
- Solar lentigines, also known asAge spots (liver spots))
- Solitary fibrous tumor
- Solitary rectal ulcer syndrome
- Somatic symptom disorder
- Somnambulism, also known asSleepwalking)
- Sore throat
- Soy allergy
- Spasmodic torticollis, also known asCervical dystonia)
- Specific phobias
- Specific reading disability, also known asDyslexia)
- Spermatocele
- Spider bites
- Spina bifida
- Spinal arteriovenous malformation (AVM)
- Spinal cord injury
- Spinal cord tumor
- Spinal curvature, also known asScoliosis)
- Spinal headaches
- Spinal stenosis
- Splenomegaly, also known asEnlarged spleen (splenomegaly))
- Spondylosis, cervical, also known asCervical spondylosis)
- Spontaneous coronary artery dissection (SCAD)
- Sprained ankle
- Sprains
- Squamous cell carcinoma of the skin
- Stage 4 prostate cancer
- Stammering, also known asStuttering)
- Staph infections
- STDs, also known asSexually transmitted diseases (STDs))
- Steele-Richardson-Olszewski syndrome, also known asProgressive supranuclear palsy)
- Stein-Leventhal syndrome, also known asPolycystic ovary syndrome (PCOS))
- Stenosing tenosynovitis, also known asTrigger finger)
- Stenosis, aortic valve, also known asAortic valve stenosis)
- Stenosis, mitral valve, also known asMitral valve stenosis)
- Stenosis, pulmonary valve, also known asPulmonary valve stenosis)
- Stenosis, pyloric, also known asPyloric stenosis)
- Stenosis, spinal, also known asSpinal stenosis)
- Stevens-Johnson syndrome
- Stickler syndrome
- Stings, bee, also known asBee sting)
- Stings, jellyfish, also known asJellyfish stings)
- Stings, scorpion, also known asScorpion sting)
- Stomach cancer
- Stomach flu, also known asViral gastroenteritis (stomach flu))
- Stomach pain, nonulcer, also known asFunctional dyspepsia)
- Stomach polyps
- Stomatodynia, also known asBurning mouth syndrome)
- Stool holding, also known asEncopresis)
- Strawberry hemangioma, also known asHemangioma)
- Strep throat
- Stress cardiomyopathy, also known asBroken heart syndrome)
- Stress fractures
- Stress incontinence
- Stretch marks
- Stroke
- Stump pain, also known asPhantom pain)
- Stump pain, also known asResidual limb pain)
- Stuttering
- Sty
- Subarachnoid hemorrhage
- Subconjunctival hemorrhage (broken blood vessel in eye)
- Subdural hematoma, also known asIntracranial hematoma)
- Subfertility, also known asInfertility)
- Sudden cardiac arrest
- Sudden infant death syndrome (SIDS)
- Suicide, also known asSuicide and suicidal thoughts)
- Suicide and suicidal thoughts
- Sun allergy
- Sun poisoning, also known asPolymorphous light eruption)
- Sunburn
- Sunken chest, also known asPectus excavatum)
- Supranuclear palsy, also known asProgressive supranuclear palsy)
- Supraventricular tachycardia
- Suspicious breast lumps
- SVT, also known asSupraventricular tachycardia)
- Sweating and body odor
- Sweating, abnormally excessive, also known asHyperhidrosis)
- Sweet’s syndrome
- Swimmer’s ear
- Swimmer’s itch
- Swollen knee
- Swollen lymph nodes
- Syndrome X, also known asMetabolic syndrome)
- Synostosis, also known asCraniosynostosis)
- Synovial sarcoma
- Syphilis
- Syringomyelia
- Systemic capillary leak syndrome
- Systemic lupus erythematosus, also known asLupus)
- Systemic mastocytosis
- Systemic sclerosis, also known asScleroderma)
- Tachycardia
- Takayasu’s arteritis
- Takotsubo cardiomyopathy, also known asBroken heart syndrome)
- Tapeworm infection
- TAPVR, also known asTotal anomalous pulmonary venous return (TAPVR))
- Tay-Sachs disease
- TB, also known asTuberculosis)
- Tears, decreased production, also known asDry eyes)
- Teen depression
- Teeth grinding, also known asBruxism (teeth grinding))
- Temporal arteritis, also known asGiant cell arteritis)
- Temporal lobe seizure
- Temporomandibular disorders, also known asTMJ disorders)
- Temporomandibular joint disorders, also known asTMJ disorders)
- TEN
- Tendinitis
- Tendinitis, Achilles, also known asAchilles tendinitis)
- Tendinitis, patellar, also known asPatellar tendinitis)
- Tennis elbow
- Tenosynovitis, de Quervain’s, also known asDe Quervain’s tenosynovitis)
- Tension headache
- Testicle, retractile, also known asRetractile testicle)
- Testicle, undescended, also known asUndescended testicle)
- Testicular cancer
- Testicular torsion
- Testosterone deficiency, also known asMale hypogonadism)
- Tetanus
- Tetralogy of Fallot
- TGA, also known asTransient global amnesia)
- Thalassemia
- Thoracic aortic aneurysm
- Thoracic outlet syndrome
- Three-day measles, also known asRubella)
- Throat cancer
- Thromboangiitis obliterans, also known asBuerger’s disease)
- Thrombocythemia, essential, also known asEssential thrombocythemia)
- Thrombocytopenia (low platelet count)
- Thrombocytopenia, childhood, also known asPediatric thrombocytopenia)
- Thrombocytosis
- Thrombophlebitis
- Thrush, oral, also known asOral thrush)
- Thumb arthritis
- Thunderclap headaches
- Thyroid cancer
- Thyroid gland enlargement, also known asGoiter)
- Thyroid nodules
- Thyroid, overactive, also known asHyperthyroidism (overactive thyroid))
- Thyroiditis, chronic lymphocytic, also known asHashimoto’s disease)
- TIA, also known asTransient ischemic attack (TIA))
- Tic douloureux, also known asTrigeminal neuralgia)
- Tinea barbae, also known asFolliculitis)
- Tinea capitis, also known asRingworm (scalp))
- Tinea corporis, also known asRingworm (body))
- Tinea cruris, also known asJock itch)
- Tinea pedis, also known asAthlete’s foot)
- Tinea versicolor
- Tinnitus
- TMJ disorders
- Toe walking in children
- Toenail fungus, also known asNail fungus)
- Tongue cancer
- Tongue tie, also known asTongue-tie (ankyloglossia))
- Tongue-tie (ankyloglossia)
- Tonic-clonic seizure, also known asGrand mal seizure)
- Tonsil cancer
- Tonsillitis
- Tooth abscess
- Tooth decay, also known asCavities/tooth decay)
- Torn meniscus
- Torsion, testicular, also known asTesticular torsion)
- Torticollis, spasmodic, also known asCervical dystonia)
- Total anomalous pulmonary venous connection, also known asTotal anomalous pulmonary venous return (TAPVR))
- Total anomalous pulmonary venous return (TAPVR)
- Tourette syndrome
- Toxemia, also known asPreeclampsia)
- Toxic epidermal necrolysis, also known asTEN)
- Toxic hepatitis
- Toxic shock syndrome
- Toxoplasmosis
- Trachoma
- Transient global amnesia
- Transient ischemic attack (TIA)
- Transposition of great vessels, also known asTransposition of the great arteries)
- Transposition of the great arteries
- Transverse myelitis
- Traumatic brain injury
- Traumatic grief, also known asComplicated grief)
- Traveler’s diarrhea
- Trichinosis
- Trichomoniasis
- Trichotillomania (hair-pulling disorder)
- Tricuspid atresia
- Tricuspid valve disease
- Tricuspid valve regurgitation
- Trigeminal neuralgia
- Trigger finger
- Triple X syndrome
- Trisomy 21 syndrome, also known asDown syndrome)
- Trisomy X, also known asTriple X syndrome)
- Trouble swallowing, also known asDysphagia)
- Truncus arteriosus
- Trypanosomiasis, American, also known asChagas disease)
- Tuberculosis
- Tuberous sclerosis
- Tularemia
- Tumor, salivary gland, also known asSalivary gland tumors)
- Turner syndrome
- Tympanic membrane perforation, also known asRuptured eardrum (perforated eardrum))
- Type 1 diabetes
- Type 1 diabetes in children
- Type 2 diabetes
- Type 2 diabetes in children
- Typhoid fever
- Ulcer, aphthous, also known asCanker sore)
- Ulcer, peptic, also known asPeptic ulcer)
- Ulcer, rectal, also known asSolitary rectal ulcer syndrome)
- Ulcerative colitis
- Ulnar wrist pain
- Umbilical hernia
- Uncontrollable laughter and crying, also known asPseudobulbar affect)
- Underactive thyroid, also known asHypothyroidism (underactive thyroid))
- Under-eye puffiness, also known asBags under eyes)
- Undescended testicle
- Undifferentiated pleomorphic sarcoma
- Upset stomach, also known asIndigestion)
- Ureteral cancer
- Ureteral obstruction
- Urethral stricture
- Urinary incontinence
- Urinary tract infection, also known asUrinary tract infection (UTI))
- Urinary tract infection (UTI)
- Urine color
- Urine, blood in, also known asBlood in urine (hematuria))
- Urticaria, also known asChronic hives)
- Urticaria, also known asHives and angioedema)
- Uterine cancer, also known asEndometrial cancer)
- Uterine fibroids
- Uterine leiomyoma, also known asUterine fibroids)
- Uterine myoma, also known asUterine fibroids)
- Uterine polyps
- Uterine prolapse
- Uterus didelphys, also known asDouble uterus)
- Uveal melanoma, also known asEye melanoma)
- Uveitis
- Vaginal agenesis
- Vaginal atrophy
- Vaginal cancer
- Vaginal candidiasis, also known asYeast infection (vaginal))
- Vaginal fistula
- Vaginal prolapse, posterior, also known asPosterior vaginal prolapse (rectocele))
- Vaginitis
- Valley fever
- Valvular heart disease, also known asHeart valve disease)
- Variant CJD, also known asCreutzfeldt-Jakob disease)
- Varicella, also known asChickenpox)
- Varices, esophageal, also known asEsophageal varices)
- Varicocele
- Varicose veins
- Variola, also known asSmallpox)
- Vascular dementia
- Vascular rings
- Vasculitis
- Vasomotor rhinitis, also known asNonallergic rhinitis)
- Vasovagal syncope
- vCJD, also known asCreutzfeldt-Jakob disease)
- Velocardiofacial syndrome, also known asDiGeorge syndrome (22q11.2 deletion syndrome))
- Venereal warts, also known asGenital warts)
- Ventricular fibrillation
- Ventricular premature contraction, also known asPremature ventricular contractions (PVCs))
- Ventricular septal defect (VSD)
- Ventricular tachycardia
- Vertebral tumor
- Vesicoureteral reflux
- Vestibular schwannoma, also known asAcoustic neuroma)
- V-fib, also known asVentricular fibrillation)
- Viral gastroenteritis (stomach flu)
- Viral hemorrhagic fevers
- Vitamin deficiency anemia
- Vitiligo
- Vocal cord paralysis
- Vocal fold paralysis, also known asVocal cord paralysis)
- Voice disorders
- Von Willebrand disease
- VPCs, also known asPremature ventricular contractions (PVCs))
- Vulvar cancer
- Vulvodynia
- Waldenstrom macroglobulinemia
- Warts, common, also known asCommon warts)
- Warts, genital, also known asGenital warts)
- Warts, plantar, also known asPlantar warts)
- Warts, venereal, also known asGenital warts)
- Water on the knee, also known asSwollen knee)
- Wegener’s granulomatosis, also known asGranulomatosis with polyangiitis)
- Wermer syndrome, also known asMultiple endocrine neoplasia, type 1 (MEN 1))
- Wermer’s syndrome, also known asMultiple endocrine neoplasia, type 1 (MEN 1))
- West Nile virus
- Wet macular degeneration
- Wheat allergy
- Whiplash
- Whipple’s disease
- White blood cell disorders in children, also known asPediatric white blood cell disorders)
- Whiteheads, also known asAcne)
- Whooping cough
- Wilms’ tumor
- Wilson’s disease
- Wisdom teeth, impacted, also known asImpacted wisdom teeth)
- Wolff-Parkinson-White (WPW) syndrome
- Wolff-Parkinson-White accessory pathway-related tachycardia, also known asWolff-Parkinson-White (WPW) syndrome)
- Wrinkles
- Wrist fracture, also known asBroken wrist)
- Wrist pain
- Xerosis, also known asDry skin)
- Xerostomia, also known asDry mouth)
- X-linked agammaglobulinemia
- XXX syndrome, also known asTriple X syndrome)
- 22q11.2 deletion syndrome, also known asDiGeorge syndrome (22q11.2 deletion syndrome))
- Yeast infection (vaginal)
- Yellow fever
- Yersinia pestis, also known asPlague)
- Yips
- Zika virus
- Zollinger-Ellison syndrome
- Zoster, also known asShingles)