Hard to know: Contact or irritant reaction to hygiene product like antiperspirant seems possible. Could be fungal skin infection or in deeper hair follicle infection or intertrigo. Hard to know without more information or examining the lesion.
Answered 12/17/2015
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
6 doctors weighed in across 2 answers
A doctor has provided 1 answer
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