Without treatment, Athlete's foot can last for months or even years. The infection can cycle through periods of active infection and remission. In remission, the infection may be dormant and cause no symptoms or signs. However, even when the infection is in remission, it is still present on the skin and can flare up again.
The length of time that Athlete's foot will last without treatment varies from person to person. Factors that can affect the duration of the infection include the person's health, the severity of the infection, and the type of fungus causing the infection.
In most cases, simple self-care measures can help clear up an infection. These include keeping the feet dry and clean, wearing breathable footwear, and avoiding excessive moisture. Over-the-counter antifungal creams or powders may also be recommended.
If a person's infection does not respond to self-care measures, they should see their doctor or a dermatologist. The doctor may prescribe stronger antifungal medications, such as oral antifungal medications. Treatment with these medications can help clear the infection in four to six weeks.
If Athlete's foot is left untreated, it can lead to secondary bacterial infections and other more serious complications. For this reason, it is important to seek treatment if the infection does not respond to self-care measures.