Intertrigo , also known as intertriginous dermatitis, is one of the four separate conditions that fall under the umbrella term of moisture-associated skin damage (MASD). It can affect individuals of all ages. Intertrigo is a common inflammatory skin disorder caused by skin-on-skin friction within ski … Intertrigo is a rash that occurs in skin folds, where skin rubs against skin. Learn about the symptoms, causes, treatments, and prevention tips for this common condition. Acute intertrigo : If your intertrigo just recently appeared, it’s called acute intertrigo . Recurrent intertrigo : If you’ve had multiple cases of intertrigo over time, it’s called recurrent (relapsing) intertrigo . What is intertrigo Intertrigo describes an inflammatory skin rash in the body folds, such as behind the ears, in the folds of the neck, under the arms (armpits), under a protruding abdomen, under the breasts, in the groin, between the buttocks, in the finger webs or toe spaces. Intertrigo is caused by irritation of touching skin surfaces (skin-on-skin friction) in body fold regions (armpits, under the breasts, belly, buttocks, groin, and sometimes between fingers or toes). Intertrigo ’s ...