Rashes are common under the arms because the skinfold creates a warm, moist environment. Additionally, the skin can chafe easily and the armpit has hair follicles and sweat glands. These factors ...

An armpit rash is often caused by irritation from sweat, friction, soap, or dryness. It could also be an allergic reaction to fragrances or propylene glycol (a deodorant ingredient). Other causes ...

The rash and the itching might be due to an allergic reaction, and so waxing might be the culprit, but it's more likely that your anti-perspirant is to blame. Try switching from an aerosol to an ...

The skin there had several large and small red marks that wrapped around her arm. “This is not a rash,” she said in the video. “This is the burn that I sustained yesterday from grilling corn.” ...