Chafing is the result of abrasion that occurs when skin rubs against either itself or against clothing. Chafing caused by running most commonly happens on your thighs, armpits or nipples and can ...
“Chafing is irritation of the skin, usually caused when body parts rub together or against our clothing,” she explains. “Inner thigh chafing, also known as chub rub, is very common for ...