Acanthosis Nigricans Quiz

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Yukiko Ueda

Yukiko Ueda, MD (Dermatology)

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Learn more about Acanthosis nigricans

Content updated on Nov 2, 2022

What is acanthosis nigricans?

A skin condition characterized by dark patches on the skin with a thick, velvety texture, usually seen in the neck, armpits or groin region. It's usually seen in people with high insulin levels, ovarian cysts, thyroid or adrenal glands problems, certain drugs like birth control pills or steroids, cancer etc.

Symptoms of acanthosis nigricans

  • Dark spots on skin

Questions your doctor may ask to check for acanthosis nigricans

Your doctor may ask these questions to diagnose acanthosis nigricans

  • Do you have skin darkening?

Treatment for acanthosis nigricans

Treatment of the underlying disease may restore normal pigmentation of the skin. Cosmetic procedures like creams, chemical peels, laser etc. can help lighten the pigmention.

View the symptoms of Acanthosis nigricans


  • Higgins SP, Freemark M, Prose NS. Acanthosis nigricans: a practical approach to evaluation and management. Dermatol Online J. 2008 Sep 15;14(9):2. PMID: 19061584.

  • Mourad AI, Haber RM. Drug-induced acanthosis nigricans: A systematic review and new classification. Dermatol Ther. 2021 Mar;34(2):e14794. doi: 10.1111/dth.14794. Epub 2021 Feb 4. PMID: 33480113.

Reviewed By:

Yukiko Ueda

Yukiko Ueda, MD (Dermatology)

From our team of 50+ doctors

Just 3 minutes.
Developed by doctors.

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