A member asked:

What could cause a persistent itchy rash in only one armpit that has lasted for at least two months but hasn't spread?

A doctor has provided 1 answer
Dr. Jerome Litt answered

Specializes in Dermatology

ARMPIT RASH: WHY UNDER ONE ARM I DON'T KNOW. IF ITS UNDER THE ARM THAT DOES ALL THE WORK, LIKE WRITING, LIFTING, EATING, ETC., IT MAY BE A CONTACT DERMATITIS FROM SOAP, DETERGENT, STUFF YOU MAY BE PUTTING ON WITH YOUR DOMINANT HAND. BE A DETECTIVE AND IF IT DOESNT GET BETTER, SEE DERMATOLOGIST.

Answered 8/27/2017

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