Physical urticaria!: There are a host of physical hives that are very unusual. Aquagenic urticaria is one such condition. Check for iron deficiency and polycthemia vera and get an spep. If al negative, then it is idiopathic. Trial of various anti-histamine may help. Singulair (montelukast) may help.
Answered 11/28/2013
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Physical urticaria?: Urticaria (hives) associated with exposure to water has moe than one cause. It may be a non-allergic (physical) urticaria. There are other, even rarer causes. Some may be due to an allergic antibody (ige), others associated with rare diseases. Do symptoms occur with exposure to cold? Do you have any other symptoms? Try an antihistamine before getting wet, but see an allergist/immunologist.
Answered 5/12/2016
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