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Cold urticaria (ur-tih-KAR-e-uh) is a reaction that appears within minutes after skin is exposed to the cold. Itchy welts, also called hives, arise on affected skin.
Symptoms in people with cold urticaria can range from minor to serious. For some people with this condition, swimming in cold water could lead to low blood pressure, fainting or shock.
Cold urticaria occurs most often in young adults. If you think you have this condition, check in with your healthcare team. Treatment usually includes steps to keep cold urticaria from happening, such as taking antihistamines and staying away from cold air and water.
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