It is a fungal infection caused by tinea rubrum or tinea interdigitale. It is an infection of foot mainly caused due to tight footwear, public shower. Due to the fact it could be caused due to tight footwear and generally seen in athletes,it is called as athletes foot. It can be treated with antifungal drugs, by keeping infection in humid weather. Try to take precautions in public shower also athletes avoid tight footwear.