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What Are the Symptoms of Acanthosis Nigricans?

The following are the main symptoms of Acanthosis Nigricans:

  • Hyperkeratosis: this refers to thickened, velvety areas of skin in body creases and folds.
  • Hyperpigmentation: this refers to more pigmented and darkened areas of skin that can become black, brown, or greyish in colour.

Other minor symptoms of Acanthosis Nigricans includes:

  • Abnormal itchiness
  • Dryness in the area of skin
  • Unusual odour
  • Roughness of the skin
  • Skin tags

Unilateral Acanthosis Nigricans is when a person experiences these skin condition on only one side of their body.

In some uncommon cases, a patch can develop on the eyelids, lips, mouth, or nipples. Usually, the symptoms of Acanthosis Nigricans emerge slowly and gradually, sometimes taking as long as months or years to fully manifest.

However, in a case where it appears all of a sudden, we recommend that you schedule a visitation with us at Clear skin London without delay. This is because it could be a sign of a cancerous condition. Our dermatologist London will be happy to help.

Where Does Acanthosis Nigricans Occur?

Normally, this skin condition can occur anywhere on the body. In some cases, they can manifest from birth, but they mostly become present during childhood or adulthood. Changes caused by Acanthosis Nigricans usually develop gradually.

In most cases, this Acanthosis nigricans affects:

  • The back and sides of the neck
  • Genitals
  • Anus
  • Armpits
  • Groin

In some other cases, the condition appears on:

  • Knees
  • Face
  • Belly button
  • The soles of the feet
  • Under the breasts
  • The lips
  • The stomach
  • The palms of the hands
  • The back of the knees
  • The knuckles
  • The front of the elbows



ReviewsI was suffering from terrible allergies. Over the counter medications didn't help much and life was going from bad to worse. I started spending more time browsing the web for a solution. Then, a colleague recommended me the Clear skin Clinic. I went for the first consultation without much expectation. But the moment I arrived, all my worries were put to rest. I underwent the pinprick allergy testing to learn that I was allergic to dust mites. Since then, I bought cleaning products and vacuums as suggested by these people and that helped. I suffer seldom now, thanks to Clear skin Clinic.

Paul Blackwell (Patient Review)

Paul Blackwell

5 months ago


ReviewsMy eczema had been a constant problem since I was young and I had treatment of different sorts with mixed results. It was a colleague who suggested that I go to Clear Skin Clinic and see if they could help. I was so impressed by the staff at the clinic all of whom were kind and efficient. I have started treatment now and my skin is looking so much better.

Shirley Miller (Patient Review)

Shirley Miller

11 months ago