ringworm of the skin is an infection caused by a fungus. jock itch is a form of ringworm that causes an itchy rash on the skin of your groin area. it is much more common in men than in women. jock itch may be caused by the spread of athlete's foot fungus to the groin. webmd medical reference from healthwise this information is not intended to replace the advice of a doctor. healthwise disclaims any liability for the decisions you make based on this information. © 1995-2011 healthwise incorporated. healthwise healthwise for every health decision and the healthwise logo are trademarks of healthwise incorporated.
what is ringworm of the skin?