![]() ![]() ![]() It is caused by the dilation of blood vessels close to the skin. While PIH looks like dark or brown spots on the skin, post-inflammatory erythema (PIE) usually looks reddish. WHAT IS POST-INFLAMMATORY ERYTHEMA (PIE)? Using sunscreen can help prevent it if the sun is what is causing the excess pigment. It might, however, mean that you are not protecting your skin from the sun, particularly if it tends to show up during the summer months. Post-inflammatory hyperpigmentation is harmless, so if it is not bothering you or if you can easily cover it with makeup, then you do not need to do anything else about it. PIH looks like skin darkening, so those with light-colored skin might see light brownish spots, while those with dark-colored skin might see spots that are darker than their natural skin tone. It can happen due to trauma (such as acne or sunburn) or for no obvious reason at all. WHAT IS POST-INFLAMMATORY HYPERPIGMENTATION (PIH)?Īs the name implies, post-inflammatory hyperpigmentation (PIH) is an excessive amount of melanin, which is what creates pigment in your skin. Your dermatologist will be able to help you identify the cause of your dark spots, but if you want to try to treat it yourself, here is some information you need to know. They are treated in different ways, so it is important to know which one you have. ![]() Two common causes of darkened areas are post-inflammatory hyperpigmentation (PIH) and post-inflammatory erythema (PIE). If you have dark spots on your skin, you might wonder what they are. ![]()
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