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A member asked:

I get this red blotchy hive/rash on my chest and neck when i am extremely nervous, excited, hot and also after sex. please help?

A doctor has provided 1 answer
Dr. John Chiu answered

Cholinergic urticari: This is known as cholinergic urticaria arising during the cooling phase after a rise in core body temperature. You may try taking an antihistamine about 2 hrs prior to sex or exercise in the future. Avoid Benadryl (diphenhydramine) if you plan to have sex but the other ahs are usually ok.

Answered 8/11/2016

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