It can be due to cold urticaria. Cold urticaria is a chronic, reactive skin
disorder. The population most affected is young adults
age 18 to 25 years Severe reactions can be seen with exposure to cold water or cold things.This can cause a massive release of histamine resulting in low blood pressure, fainting, shock, and even death.
This allergic response can take several forms, from rashes to wheezing, hives, swelling and redness.