Intertrigo is a rash that shows up in moist areas of skin folds. It's common in the armpits, under the breasts, and in the folds of the groin and abdomen. The rash is often caused by yeast ...

Dark underarms may simply have to do with pigmentation and levels of melanin in the skin. But sometimes armpit discoloration is a sign of a health condition. Learn more here.

you can feel more pain in the chest area or under the arm," says O'Hare. Pain often occurs in both armpits and may radiate from the breasts. Intertrigo (sweat rash) is a term used to describe ...

“If you still experience menstrual periods, depending on where you are in your cycle, you can feel more pain in the chest area or under the arm," says O'Hare. Pain often occurs in both armpits and may ...