Some armpit rashes can last a few hours and disappear if an irritant is removed. Others occur with a chronic condition, such as psoriasis, and may come and go for many years. Treatments for arm ...

"Having a big red splotch on your arm for a couple of days may not be fun, but the reality is there's no need to panic and no reason not to get your second shot." Brown's rash subsided after a few ...

All the hairs have disappeared from a three-inch long patch on my left arm. The bare patch is half the width of my arm and extends just onto the back of my left hand. It is red, inflamed and ...

Medically reviewed by Renee Nilan, MDMedically reviewed by Renee Nilan, MD COVID arm rash is a delayed hypersensitivity ...