Unfortunately it is: nearly impossible to diagnose skin lesions over the internet since we cannot see them. It sounds like a pimple with black head but there are other more serious conditions that could also be the way you have described. You need to be seen and examined by a dermatologist to be certain this is not something serious.
Answered 7/1/2018
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A doctor has provided 1 answer
A doctor has provided 1 answer
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