Heat rash is a skin condition that develops in hot, humid environments. It causes small discolored or fluid-filled blisters to develop in the folds of your skin or areas where clothing rubs the skin.

Pictures of hives, also known as urticaria ... and environmental effects of heat, cold, or exercise. Hives may also be idiopathic (meaning of no known cause). Hives may come on in a sudden ...

You may be able to relieve heat rash with products like hydrocortisone cream and antihistamines. Some home remedies, including cold baths and using air conditioning, may help the heat rash go away.

The best heat rash treatment methods include medicated creams, aloe vera, or cool cloths. Heat rash looks like small red or pink bumps, which may appear similar to bug bites or pimples.

Have you ever wondered why some people struggle with heat rash every summer while others appear to navigate the hot weather with no issues at all? We asked a dermatologist to explain what causes ...

Dr Kingsley Chan, a dermatologist based in Hong Kong, says that heat rashes can be a struggle for teenagers during hot weather. Also called prickly heat or miliaria, this skin condition occurs ...