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

But the fungus thrives in any moist ... athlete's foot can be definitively diagnosed by examining a skin sample under a microscope, Rizzo says. When you have athlete's foot it can spread from ...

Your provider may also take a sample of your nail to examine it under a microscope ... from untreated mycosis nail fungus. A bacterial infection may spread to the skin (cellulitis), bone ...