A member asked:

Can caffeine cause your body rash rapidly during the hot day?

A doctor has provided 1 answer
Dr. Glynis Ablon answered

Specializes in Dermatology

Its a stimulant: You can have an allergy to caffeine which presents with hives or rash after ingesting. My guess is that if you only get a rash on a hot day it is not due to the caffeine.

Answered 7/5/2014

3.9k views

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