Acanthosis Nigricans – Overview

Looking at Acanthotic Nigricans, this post will div deeply into Acanthotic Nigricans and any information related to it.

Acanthosis nigricans

Acanthosis nigricans is the name for dry, dark patches of skin that usually appear in the armpits, neck, or groin. It could be a sign of an underlying condition, so it needs to be checked by a GP.

Check if you have acanthosis nigricans – Guide

The main symptom of acanthosis nigricans is patches of skin that are darker and thicker than usual. They can appear anywhere on the body.

Dark patches of skin that form a band around the lower part of the neck on a person with medium brown skin.
The patches are dry and feel similar to velvet.
A dark patch of skin on the armpit of a person with white skin. The patch covers most of the person's armpit.
They’re most common in skin folds, such as the armpits, neck or groin.
Dark patches of skin covering the armpit of someone with medium brown skin. There are also about 50 small skin tags.
Some people also have tiny growths (skin tags) on the patches.

The patches often appear gradually without any other symptoms.

Sometimes the skin may be itchy.

See a GP if you have:

  • new dark patches on your skin
  • any skin changes you’re unsure about