What is Post Inflammatory Hyperpigmentation?

Post-inflammatory hyperpigmentation (PIH) is a common skin condition that occurs after inflammation or injury to the skin. It is characterized by the development of dark patches or spots on the skin that are caused by an increase in the production of melanin, the pigment that gives skin its color.

PIH can occur after a variety of skin injuries, including acne, eczema, psoriasis, burns, and other forms of trauma. It is most common in people with darker skin tones, as they have more melanin in their skin.

The exact cause of PIH is not fully understood, but it is thought to be related to the inflammatory process. When the skin is injured, the body releases chemicals called cytokines that trigger the production of melanin. This can lead to the development of dark patches or spots on the skin.

PIH can be difficult to treat, as it can take several months or even years for the dark patches or spots to fade. There are a variety of treatments available, including topical creams, laser therapy, and chemical peels.

Here are some tips for preventing PIH:

* Avoid picking or scratching at your skin, as this can cause further inflammation and lead to PIH.

* Use sunscreen every day, even if you are not planning to be outdoors for long periods of time.

* Keep your skin moisturized.

* If you have a skin condition that is causing inflammation, talk to your doctor about treatment options.