Jock Itch (cont.)

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What causes jock itch?

Causes of jock itch include the following:

  • Moisture, warmth, and skin friction in the groin folds
  • Tight, occlusive clothing and undergarments that trap in sweat
  • Infections caused by fungus and yeasts: Candida (yeast), Trichophyton, and Epidermophyton (fungal molds)
  • Infections by bacteria

Generally, diet does not seem to affect jock itch.

Who gets jock itch?

Jock itch is most common in adult and middle-aged men. Anyone can get jock itch, which is thought to affect nearly all people at some point in their lives.

Certain groups of people may be more prone to jock itch. Patients with diabetes, obesity, and those with a compromised immune system such as from HIV/AIDS, hepatitis, chronic illnesses, cancer, systemic chemotherapy, immunosuppressive drugs such as prednisone, and those on biologic immune-system-modifying drugs such as infliximab (Remicade) or etanercept (Enbrel) may be more prone to jock itch.

Other risk factors include

  • heat,
  • moisture,
  • humidity,
  • obesity,
  • excess sweating,
  • exercise,
  • weakened immune system,
  • tight, occlusive fabrics and undergarments,
  • athlete's foot infection or other fungal infections on the body.
Medically Reviewed by a Doctor on 2/10/2015

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