"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." There are few worse feelings than an itch you can’t scratch—especially when it’s unexplained and in an ...

The most you probably think about your armpits is when you’re in the shower or putting on deodorant in the morning. Sweaty armpits are one thing, but when your armpits itch, you can't stop thinking ...

It starts with a slight tingle. Then a prickle. Soon you’re frantically scratching, but when you look down at your skin, there’s… nothing there. No redness, no bumps, no rash—just normal-looking skin ...

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.

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 ...

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 of ...

A 42-year-old man presents to the emergency department (ED) for evaluation of a severe rash that mostly affects his face, torso, and armpits, the latter of which is the most severely affected area.

Swimmer’s itch is a rash caused by an allergic reaction to the larvae of microscopic parasites that are found in both fresh and saltwater. These parasites commonly live in snails, which secrete larvae ...