A rash or skin irritation can develop anywhere that skin folds exist on the body. These folds can trap heat, moisture, bacteria, and yeast. Combined with chafing, this leads to a condition called ...

Some causes of underarm rash include infection, allergic reaction, and inflammation. Itchy, inflammatory, bacterial, or fungal rashes in your armpit can be mild or severe, short-lived or chronic.

Itchy armpits are a common complaint. Dermatologists explain possible causes of irritated, itching underarms and when to see a doctor.

What Causes a Rash in Your Armpit? An armpit rash is more common than you might think. Your armpits probably come into contact with more chemicals each day than most other parts of your body. Don’t be ...