Get unlimited digital access to $0.99 for 4 weeks.


Prevention best medicine for post-inflammatory hyperpigmentation

Q: My skin sometimes gets dark patches, even those areas not exposed to the sun, such as under my arms, behind my knees, and my inner thighs. This usually happens after an itchy irritation. Sometimes the dark color stays and will not fade. Why does this happen? Is there anything I can do to get the dark area back to its normal color? A: Skin darkening after irritation is called "post-inflammatory hyperpigmentation." This is a common occurrence and is part of your body's natural healing process. For example, acne bumps are at first pink or red and then change to darker colors before they go away completely. Scratching your skin can cause pink scaly patches that turn brown...