such as the back, chest, and stomach. If bacteria enter the plugged sweat glands, it can lead to inflammation and infection. Learn why some people sweat more than others. Heat rash often goes away ...

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.

It can be distressing to wake up with a mysterious swollen red rash on your ankle ... Most often, bedbugs leave bites on the arms, legs and back — whatever is easiest for them to get to.