Could be acanthosis: Dark skin in the armpits could be acanthosis nigricans. This may be isolated or could be associated with hormonal or other internal abnormalities. See a doctor (perhaps an endocrinologist) for this. Treatment depends on the underlying cause.
Answered 9/22/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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