Is jock itch contagious?
Last updated September 6, 2026.
Yes, jock itch is contagious and spreads through direct skin-to-skin contact or contact with contaminated items like towels, clothing, or gym equipment. Jock itch is caused by the same type of fungus that causes athlete's foot and ringworm, so it moves easily between people and between parts of your own body. A common route is spreading fungus from your feet to your groin, often by pulling on underwear after drying your feet with the same towel. Sharing unwashed towels, gym mats, or tight athletic gear also passes it along. Warm, sweaty, and tightly covered skin gives the fungus a better chance to take hold, which is why it is more common in warmer months and in people who sweat heavily or wear snug clothing. Washing and fully drying the area daily, wearing breathable underwear, and treating athlete's foot at the same time all lower the chance of spreading or catching it.
What to do
- Dry off in order: Dry your feet last if you have athlete's foot, or use a separate towel for your feet, to avoid spreading fungus to your groin.
- Don't share personal items: Avoid sharing towels, clothing, or athletic gear, since the fungus can survive on fabric.
- Wash workout gear often: Launder athletic clothing, underwear, and towels after each use, especially in warm weather.
- Wear loose, breathable clothing: Choose cotton underwear and looser-fitting pants to keep the groin area cooler and drier.
- Treat athlete's foot too: Clear up any fungal infection on your feet at the same time so it does not reinfect your groin.
- Ask if it is not improving: Talk with a clinician if the rash does not respond to an over-the-counter antifungal after a couple of weeks.
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