The severity of the heat rash, also referred to as "prickly heat" or "miliaria," depends on how deep the sweat is trapped underneath the skin. Start the day smarter. Get all the news you need in ...

Also called prickly heat or miliaria, this skin condition occurs when sweat glands get blocked because ... which becomes irritated and causes a rash to develop. There are different severities ...

Heat rash — also known as prickly heat, summer rash, or wildfire rash — occurs when the sweat gland ducts become blocked with sweat. Cooling or gently patting the rash may provide some relief.