Prescription topical antifungals for athlete's foot
Examples
Topical allylamines
Generic Name Brand Name naftifine hydrochloride Naftin Topical azoles
Generic Name Brand Name clotrimazole Lotrimin econazole nitrate Spectazole ketoconazole Nizoral miconazole nitrate Monistat Derm oxiconazole nitrate Oxistat sertaconazole nitrate Ertaczo sulconazole nitrate Exelderm Other topical antifungals
Generic Name Brand Name butenafine hydrochloride Mentax ciclopirox Loprox clotrimazole-betamethasone Lotrisone haloprogin Halotex Topical medicines are put directly on the skin. These medicines are available in cream, solution, gel, and lotion forms. One medicine may be available in many forms. Your doctor will help you decide which form is best for you.
Lotrisone combines a topical antifungal (clotrimazole) with a topical corticosteroid (betamethasone).
Allylamines and azoles are different classes of antifungal medicine. This is important because medicine from one class may work better than medicine from the other.
How It Works
All of these medicines kill fungi. See the medicine label for specific instructions. In general:
- Butenafine is used for 1 to 2 weeks.
- Other topical medicines are used for 4 weeks, except for topical ketoconazole, which is used for 6 weeks.
If you stop taking the medicines early, even after symptoms are gone, an athlete's foot infection will likely return. It is very important to use the medicine for the entire time directed.
Why It Is Used
Prescription antifungals usually are used to treat athlete's foot when treatment with nonprescription antifungals has not been successful or the athlete's foot is severe.
The topical forms are used for mild to moderate cases of athlete's foot.
Miconazole, ciclopirox, and sulconazole also can treat bacterial infections that might occur along with a fungal infection.
Ketoconazole penetrates thick skin well and is a good treatment option for moccasin-type
infections.
Clotrimazole-betamethasone may be used when the athlete's foot rash is itchy and burning.
For severe cases or when topical medicines do not work, oral antifungal medicines (pills) are used.
How Well It Works
Both topical and oral forms of prescription antifungals are effective in curing athlete's foot for most people.
Topical allylamines require a shorter course of treatment (1 week) than do topical azoles (4 to 8 weeks). But studies show that allylamine medicines work slightly better than azole medicines.1, 2 Although allylamines are more expensive than azoles, you use less of these medicines to successfully treat a fungal infection.
Side Effects
Topical antifungals rarely cause side effects. Stop using the medicine if it results in severe blistering, itching, redness, dryness, or irritation.
See Drug Reference for a full list of side effects. (Drug Reference is not available in all systems.)
What To Think About
Among topical medicines, creams may be best used on mild to moderate non-oozing infections, lotions on oozing infections, powders and sprays to prevent reinfection, and gels and ointments for long-term moccasin-type infections
It is not known whether these medicines harm a fetus or whether topical medicines pass into breast milk. If you are pregnant, could become pregnant, or are breast-feeding, talk to your doctor before using these medicines.
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| Author: | Maria G. Essig, MS, ELS | Last Updated: July 2, 2008 |
| Medical Review: | Kathleen Romito, MD - Family Medicine Anne C. Poinier, MD - Internal Medicine | |
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| Topic Contents | |
| Examples | |
| How It Works | |
| Why It Is Used | |
| How Well It Works | |
| Side Effects | |
| What To Think About | |
| References | |