1 doctor weighed in:

What could cause rash/pimples in the armpit?

1 doctor weighed in
Dr. Carla Enriquez
Pediatrics

In brief: Many things

Folliculitis, contact dermatitis (to clothes or antiperspirant); bacterial, viral or fungal infection, hyperhidrosis (sweating too much), on and on.
If it is bothersome, see your doctor for a definitive diagnosis.

In brief: Many things

Folliculitis, contact dermatitis (to clothes or antiperspirant); bacterial, viral or fungal infection, hyperhidrosis (sweating too much), on and on.
If it is bothersome, see your doctor for a definitive diagnosis.
Dr. Carla Enriquez
Dr. Carla Enriquez
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