Feeling a little itchy? Here's how to recognize the most commonly undiagnosed skin irritations, including the one you may ...

Leukemia petechiae is a rash that people with leukemia often experience on their arms, legs, or trunk. Petechiae are tiny ...

You might occasionally notice a new mark on your body, whether it's on your arm, thigh ... which can result in a purple-red rash appearing on the cheeks and the bridge of the nose.

A sun rash is an immune system reaction to sunlight exposure that causes itchy bumps, raised patches, or blisters on your ...