. It is a rare condition in which hives develop within 1 to 15 minutes after contact with water. The hives last for 10 to 120 minutes and do not seem to be caused by histamine release like the other physical hives.
is diagnosed by applying tap water and distilled water to the skin and observing the reaction. My sincere advice would be to confirm the diagnosis from a dermatologist.
I hope it helps. Take care and please do keep me posted in case you have any additional doubts. Kind regards.