Medically reviewed by Susan Bard, MD Some causes of underarm rash include infection, allergic reaction, and inflammation.

Medically reviewed by Casey Gallagher, MD Armpit rashes often develop due to allergic reactions, infections, and chronic conditions. Rashes are common under the arms because the skinfold creates a ...

Armpit rashes are common in summer and require a combination of remedies and treatments Here’s what an expert has to say ...

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 ...

a rash or redness A new lump, swelling, thickening or bumpy area in one breast or armpit that was not there before Discharge of fluid from either of your nipples Any change in nipple ...

Each application exposes delicate underarm tissue to potent irritants that can trigger inflammatory responses ranging from mild redness to severe reactions including boil formation. For those ...