This image displays the velvety-like area of darkened pigment typical of acanthosis nigricans. This image displays a skin fold with a rough, "velvety" appearance typical of acanthosis nigricans. This image displays a neck with darker "velvety" skin typical of acanthosis nigricans in a child. This image displays how acanthosis nigricans can appear to merely be a dirty neck. This image displays a child with armpit acanthosis nigricans as well as juvenile diabetes. This image displays a subtle case of acanthosis nigricans.
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Acanthosis Nigricans  A parent's guide to condition and treatment information

Picture of Acanthosis Nigricans: This image displays the velvety-like area of darkened pigment typical of acanthosis nigricans. Divider line
This image displays the velvety-like area of darkened pigment typical of acanthosis nigricans.
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Who's At Risk
Acanthosis nigricans can affect individuals of any age and of any ethnic background. It can develop in children and in teenagers, though it is more common in adults. Acanthosis nigricans is also more common in people with darker skin. Males and females are affected equally.

Acanthosis nigricans commonly develops in:
  • Overweight or obese people
  • People with diabetes or other glandular (endocrine) problems
  • People taking certain medications (for example, oral contraceptives, niacinamide, or corticosteroids)
  • People who have had kidney transplants
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Last Modified: 22 Dec 2008
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