INTRODUCTION Jock itch gets its name because it is common in people who sweat a lot, majorly the athletes. It is also more likely to occur in people who are overweight. Although often uncomfortable and bothersome, jock itch usually is not serious. Jock itch (tinea cruris) is a fungal infection that affects the skin of the genitals, inner thighs and buttocks. Jock itch causes an itchy, red, often ring-shaped rash in these warm, moist areas of the body. groin area clean and dry and applying t...