What is jock itch?

Jock itch is a health condition that causes fungus to grow in the groin area, often resulting in an infection, according to Medlineplus.Jock itch is most common in young teenage boys and men and tends to develop in areas that are moist and warm. The condition can be spread from one person to another through physical contact or from unwashed clothing.

A person suffering from jock itch usually experiences discomfort and itchiness in the area between the groin and upper thigh, while the penis and scrotum remain unaffected, according to Medlineplus. The area of a person's skin that is affected by jock itch may appear red, scaly, abnormally light or dark and may also show signs of oozing and blisters.