In terms of its prevalence, a fungal infection is inferior only to a cold. According to statistics, men suffer from this more often than women; older people are more likely than younger people; athletes are more likely than people who are indifferent to sports.
Toenail fungus, medically known as onychomycosis, is a nail infection caused mainly by a class of fungi called dermatophytes. These are the same fungi that cause herpes. The infection can affect any part of your nails.