Medically reviewed by Eva Umoh Asomugha, M.D. Jock itch (tinea cruris) is a common, preventable fungal infection mainly ...

At first, it was just an itch. Annoying. Persistent. Unrelenting. It was the kind of itch that keeps you awake at night, demanding to be scratched. I chalked it up to jock itch, grabbed an ...