Brandeis, MD, a urologist and men's health expert with Brandeis ... The fungus thrives in moist, warm environments, making your groin area an ideal home. The rash gets its name because it's ...

Inverse pityriasis rosea usually causes a rash on the armpits, groin, neck, or face. The rash may clear up on its own, and medications such as antihistamines can help with itching. Inverse ...