When the groin area gets sweaty and isnt dried properly, it traps heat and moisture, providing a perfect environment for the fungi to live and grow. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/00\/Treat-Jock-Itch-Step-12.jpg\/v4-460px-Treat-Jock-Itch-Step-12.jpg","bigUrl":"\/images\/thumb\/0\/00\/Treat-Jock-Itch-Step-12.jpg\/aid4318300-v4-728px-Treat-Jock-Itch-Step-12.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"