Drug rashes can be an unwanted side effect of many medications. Learn which medications can cause these skin reactions.

If you get a mysterious rash on your body, it can be distressing because you might not always know what's caused it. You ...

Chafing, or skin rubbing against skin—especially in warm or moist areas of the body—can cause intertrigo. It's an itching, burning rash that can appear red or reddish-brown but only affects ...

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.