Keratosis pilaris: If its the back of the arms and never goes away it's probably keratosis pilaris. This is benign and genetic. It is difgicult to treat, but keratolytics like ammonium lactate lotion may be helpful.
Answered 10/30/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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4 doctors weighed in across 2 answers
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