SC Jock Itch Jock Itch Chapter 17. Men's Health Problems Jock itch is usually caused by a fungus infection. It can also result from a bacterial infection or be a reaction to chemicals in clothing, irritating garments, or medicines that you take. Jock itch gets its name because an athletic supporter worn, then stored in a locker, and then worn again without being laundered, provides the ideal environment in which the fungi thrive.
Jock itch is more likely to occur after taking antibiotics.
Wear loose-fitting underwear, such as boxer shorts, instead of briefs. Change underwear frequently, especially after tasks that leave you hot and sweaty. Bathe or shower right away after a workout. Dry the groin area well. Apply talc or other powder to the groin area.