“If your rash isn’t associated with sweating or is spreading to other parts of your body like your chest, back or legs, it ...

This sounds like prickly heat ... itchy red rash you describe. In more severe cases blisters also develop. It most commonly affects the hands, feet, armpits and chest, and those who are overweight ...

When sweat accumulates and becomes trapped under the skin, heat rash can develop in body areas such as the neck, back, chest, ...

Excessive sweating paired with chest pain sometimes indicates a serious ... sweating in hot or moist environments, such as heat rash or prickly heat, also known as miliaria." ...

allergic reactions overreaction to heat, cold, or, sweat stress exposure to sunlight pressure on the skin due to tight clothing or scratching In mild cases of hives, the rash may go away on its own.