Skin reactions can be alarming, especially when they appear suddenly. Many people struggle to tell the difference between ...

A PUPPP rash usually goes away on its own and doesn’t cause any scarring or lasting skin color changes. Experts don’t know what causes a PUPPP rash, but it might be linked to stretch marks.

The U.S. is dealing with a measles outbreak, including one in New Jersey and new cases in New York City. See what the measles look like here.