Tinea cruris or jock itch is a fungal infection that typically affects the groin area. A common hallmark of jock itch is a red, itchy, sometimes circular rash that develops in the more moist parts of the human body such as the inner thighs, buttocks, and genitals. Athletes and other people who sweat a lot are most likely contract jock itch. The fungal infection most frequently impacts the surface layers of skin. Men are most commonly affected by jock itch, but it can affect anyone. Tinea cruris isn’t a serious condition but can cause acute discomfort.

The condition is known as jock itch because athletes tend to share intimate spaces like locker rooms with people who sweat a lot, enabling the infection to spread easily from athlete to athlete. Other people prone to jock itch include those who are overweight or have diabetes or a compromised immune system. One of the first symptoms of jock itch is a red patch of skin, often observed in the folds in the groin, and expanding to the inner thigh. Raised blisters may mark the boundaries of the rash, which may itch or burn.


Jock itch is a communicative fungus that spreads via contaminated surfaces and fabrics like towels and clothes. The same fungus is responsible for athlete's foot and can travel up from the feet to the groin. Keeping your body dry, wearing clean, breathable garments, and not sharing personal items can go a long way in preventing jock itch.

Common Symptoms

  • Skin Boils
  • Itching
  • Skin Redness
  • Painful Burning
  • Skin Bumps and Lesions


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