Heat rash, also known as prickly heat or sweat rash, is a common name for a skin condition called miliaria. This is a rash ...

Miliaria rubra is a type of heat rash or prickly heat that happens when sweat becomes trapped under the skin. Children tend to get it more than adults because their sweat glands are still developing.

As warm weather ramps up across much of the U.S., it's time to start taking precautions to protect yourself during long days ...