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TINEA CRURIS (Jock Itch)

This patient information on "Jock Itch" is provided by John L. Meisenheimer, M.D. a board certified Dermatologist and skin care specialist based in Orlando, Florida.  This information is not intended as a substitute for the medical advice or treatment of a dermatologist or other physician.

What is it?    Tinea cruris is a skin infection of the groin. In common terms this disorder is known as "jock itch". It can occur at any age, but it is more common in adults. Typically it appears as an itchy, red, scaly rash on the inner thighs and groin.

What causes it?    Tinea cruris is caused by a fungus infection of the skin. The fungus grows best in warm moist places, and it has a tendency to get worse during the summer because sweating is increased.  While your in my office a simple lab test can  be done to confirm the diagnosis.

Is it dangerous?    For the typical healthy person Tinea cruris is a harmless disorder. It is not related to cancer and it does not involve internal organs.

Can it be cured?    The treatment program I put you on will help control or clear the disorder, but it is not a permanent cure. Even if the infection is totally cleared, you will still be predisposed to get re-infections. Repeat treatments may be needed and some individuals will require continuous therapy. 

What home care should I use?

1. Keep area dry.  You may want to blow dry 2-3 times a day.       

2.  Use medicated powder in the groin on a daily basis. This helps keep the area dry.  I have recommended Zeasorb AF powder for years. This medicated powder contains antifungals which suppress fungus growth. More info/Order Here .

3. Recurrences can be treated with Lamisil cream.  This does not need a prescription and  is very effective for control. More info/Order Here.      

Will it spread?    The fungus which causes Tinea cruris can involve other areas of skin, but normally it stays confined to the groin.

Is it contagious?     Tines cruris is contagious to people who have limited immunity to the fungus. Since the fungus is found in so many places, it is almost impossible to avoid contact. A good preventive treatment program is the best way to ward off re-infection.

© John L. Meisenheimer, M.D.  2004                                   WWW.OrlandoSkinDoc.com

Last modified: 08/27/06