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Jock Itch - Information About Jock Itch (Tinea Cruris)

Jock Itch or Tinea Cruris

Jock Itch (Tinea Cruris)

What is Jock Itch? What Causes it?

Tinea Cruris, commonly known as Jock Itch, is an infection of the groin that causes burning and itching. The jock itch fungus, tinea cruris is the same fungus that causes athlete's foot and ringworm. This group of fungi is called dermatophytes, which are various fungi that cause skin infections and disease. Jock itch is caused by moisture and heat confined by tight underwear, athletic supporters, or spandex shorts (the type worn by professional bicyclists) which causes the fungus to multiply and spread over the genital area.

Jock itch, while very uncomfortable, is not considered a chronic disease. Jock itch is confined to the groin area, producing a rash consisting of red, semi-circular scaly lesions in the genitals and upper, inner thighs. The itching is often accompanied by a burning sensation.


Jock Itch can be prevented. Some of the things you can do:

  • Keep skin dry and clean. Washing the affected area with antibacterial soap will help kill the fungus.
  • Wear Cotton Underwear
  • Change your underwear at least once a day ( This is a good idea anyway, since you never know when you might be in an accident and have to go to the emergency room!)
  • Use drying powders and products that reduce sweating. Powders are good for using during the day, since they absorb moisture.
  • Wash body towels after each use, and do not share your towel with anyone to prevent the spread of infection.

Jock itch, luckily is easy to treat. Usage of an over the counter medication applied to the affected area such as a cream, antifungal powder or spray is usually effective. Any treatment for jock itch should contain as an active ingredient such as miconazole, clotrimazole, or tolnaftate.

Jock itch should clear up within two weeks. Its is advisable to continue use for two weeks after the disappearance of symptoms, for a total of four weeks. However, if the rash does not clear up after the initial two weeks, see your doctor since it may be another type of dermatophyte.

To purchase products for jock itch in a private environment please see our mens products page.