But while there's nothing wrong with having a little hyperpigmentation under the arms, that doesn't mean there aren't some ...

Other causes of an armpit rash include a yeast infection, psoriasis, or seborrheic dermatitis. Rashes are pesky patches of irritated skin that can affect any part of your body, including your armpits.

“Underarm dermatitis differs from other forms ... moisture and friction can promote irritation and sometimes fungal or ...

Right-sided pain under the armpit may be due to muscle strain, infections, or skin conditions. Sometimes, armpit pain may indicate a more serious issue, such as cancer or a heart issue.

Cysts (fluid-filled tissue pockets), infections, and swollen lymph nodes commonly cause armpit lumps. You may see a healthcare provider if you have an unexplained, hard lump in your armpit that's ...