Jock Itch (Tinea Cruris)
Causes: Fungal infection --> dermatitis. (can be bacterial as well).Fungus grows in warm, moist, dark and damp.
Prevention
- Shower Daily
- Bathe after physical activity.
- Keep groin area dry & clean. (use powder is keep dry or expose area to air).
- No to tight underwear (Loose fitting clothes).
- Wash underwear/sportswear frequently.
- Refrain from scratching groin area.
- Socks before underwear for those if have athlete's foot.
- After swimming quickly change swimming wear.
Source: http://www.wikihow.com/Cure-Jock-Itch