Hard to say: If you are overweight, there is a dark rash along the neck that is velvety and hyperpigmented ( dark ) that is a possibility. It is called "acanthosis nigricans" Detailed Photos and a more complete medical history might help answer this.
Answered 8/12/2014
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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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