A member asked:

I have a dark extremely itchy rash on the folds of my inner thighs i found a picture online of what it looks like but no description. what could be?

3 doctors weighed in across 2 answers

Rec evaluation: A brown velvety color change in the folds of the skin is called acanthosis nigricans and is associated with pre-diabetes and rarely cancer. This is not usually itchy so recommend evaluation for cause.

Answered 1/24/2019

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Tinea cruris?: Tinea cruris comes to mind based on the location and description. This is a fungal rash, the fungal organism normally residing on our skin and proliferating in areas of warmth and moisture such as this. That’s one thought.

Answered 7/21/2018

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