What is tinea cruris?

What is tinea cruris?

Tinea cruris is a dermatophyte infection of the groin. It is also known as Jock itch. It is caused by a type of fungus called tinea. The fungus thrives in warm, moist areas of the body. As a result, infection can affect the genitals, inner thighs and buttocks. Infections occur more frequently in the summer or in warm, wet climates.


Scaly red rash spreading down from crotch/groin to upper thighs, buttocks and perineum.


  • Clinical evaluation
  • Sometimes potassium hydroxide wet mount


You can use topical antifungal cream, lotion, or gel. You should avoid tight synthetic clothing, wear shower shoes in public showers, antifungal powders on feet and groin area.

If you need some more professional help, please go to the doctor.

Keywords: tinea cruris;buttocks;warm


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