Tinea cruris, also known as crotch itch, crotch rot, Dhobie itch, eczema marginatum, gym itch, jock itch, and ringworm of the groin in American English:303 is a dermatophyte fungal infection of the groin region in either sex, though more often seen in males. In the German Sprachraum this condition is called Tinea inguinalis (from Latin inguen = groin) whereas Tinea cruris is used for a dermatophytosis of the lower leg (Latin crus).