Athlete's Foot
Treatment Overview
How you treat athlete's foot (tinea pedis) depends on its type and severity. Most cases of athlete's foot can be treated at home using an antifungal medicine to slow the growth of fungi.
- Non-prescription antifungals usually are used first. These include miconazole (Micatin, Monistat Derm), clotrimazole (Canesten), naftifine (Naftin), butenafine (Dr. Scholl's Athlete's Foot Cream), and tolnaftate (Tinactin). Non-prescription antifungals are applied to the skin (topical medicines).
- Prescription antifungals may be tried if non-prescription medicines are not successful or if you have a severe infection. Some of these medicines are topical antifungals, which are put directly on the skin. Examples include econazole (Ecostatin Cream), ketoconazole (Nizoral Cream), and terbinafine (Lamisil). Prescription antifungals can also be taken as a pill, which are called oral antifungals. Examples of oral antifungals include terbinafine hydrochloride (Lamisil), itraconazole (Sporanox), and fluconazole (Diflucan).
For severe athlete's foot that doesn't improve, your health professional may suggest prescription oral antifungal medicine (pills). Oral antifungal pills are used only for severe cases because they are expensive and require periodic testing for dangerous side effects. Athlete's foot can return even after antifungal pill treatment.
Although your symptoms may decrease or stop shortly after you begin using antifungal medicine, it is important to complete the full course of medicine. This increases the chance that athlete's foot will not return. Reinfection is common, and athlete's foot needs to be fully treated each time symptoms develop.
Toe web infections
Toe web
(interdigital) infections occur between the toes, especially between the fourth and fifth toes. This is the most common type of athlete's foot infection.
- Treat mild to moderate toe web infections by keeping your feet clean and dry and using non-prescription antifungal creams or lotions.
- If a severe infection develops, your health professional may prescribe a combination of topical antifungal creams plus either oral or topical antibiotic medicines.
Moccasin-type athlete's foot infection
Moccasin-type
- Non-prescription medicines may not penetrate the thick skin of the sole well enough to cure moccasin-type athlete's foot. In this case, a prescription topical antifungal medicine that penetrates the sole, such as ketoconazole, may be used.
- Prescription oral antifungal medicines are sometimes necessary to cure moccasin-type athlete's foot.
Vesicular infections
Vesicular
- Your health professional may remove the tops of the blisters and soak your foot until the blister area is dried out.
- You can dry out the blisters at home by soaking your foot in non-prescription Bur-in-Sol solution several times a day for 3 or more days until the blister area is dried out. After the area is dried out, use a topical antifungal cream as directed. You can also apply compresses using Burow's solution.
- If you also have a bacterial infection, you will most likely need an oral antibiotic.
- If you have a severe infection, your health professional may prescribe corticosteroid pills. After improvement, corticosteroid pills are gradually stopped, and antifungal creams and/or pills are used until the infection is gone.
Even when treated, athlete's foot often returns. This is likely to happen if:
- You don't take preventive measures and are again exposed to the fungi that cause athlete's foot.
- You don't use antifungal medicine for the specified length of time and the fungi are not completely killed.
- The fungi are not completely killed even after the full course of medicine.
You can prevent athlete's foot by:
- Keeping your feet clean and dry.
- Dry between your toes after swimming or bathing.
- Wear leather shoes or sandals that allow your feet to breathe.
- When indoors, wear socks without shoes.
- Wear cotton socks to absorb sweat. Change your socks twice a day. (White socks do not prevent athlete's foot, as some people believe.)
- Use talcum or antifungal powder on your feet.
- Allow your shoes to air for at least 24 hours before you wear them again.
- Wearing shower sandals in public pools and showers.
What To Think About
You may choose not to treat athlete's foot if your symptoms don't bother you and you have no health problems that increase your chance of severe foot infection, such as diabetes. However, untreated athlete's foot that causes skin blisters or cracks can lead to severe bacterial infection. Also, if you don't treat athlete's foot, you can spread it to other people.
Severe infections that appear suddenly (acute) usually respond well to treatment. Long-lasting (chronic) infections can be more difficult to cure.
Toenail infections (onychomycosis) that can develop with athlete's foot tend to be more difficult to cure than fungal skin infections. For more information, see the topic Fungal Nail Infections.
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| Author: | Douglas Dana Amy Fackler, MA Debby Golonka, MPH | Last Updated: September 7, 2006 |
| Medical Review: | Patrice Burgess, MD - Family Medicine Tom Bailey, MD - Family Medicine Randall D. Burr, MD - Dermatology | |
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