Despite its name, ringworm isn't actually a worm; it is a fungal infection that occurs on the skin. The University of Maryland Medical Center notes that in most cases, ringworm doesn't warrant a visit to the doctor. It can be treated at home using over-the-counter antifungal creams that can be purchased in grocery and drug stores nationwide. Individuals with ringworm that does not respond to treatment or that begins to swell, has discharge, is warm to touch or becomes painful should contact their doctor immediately.
Tolnaftate
Tolnaftate, also known as Tinactin, is an over-the-counter cream that can be used to treat ringworm. Drugs.com notes that it should be applied to the ringworm twice a day for two to six weeks, or as directed by a doctor or on the package insert. Tolnaftate may cause minor irritation of the skin, but serious side effects are not typical.
Miconazole
Miconazole cream also goes by the name Monistat-Derm. Miconazole is also recommended to be applied twice daily by Drugs.com, and users should wash their hands thoroughly after applying the cream, unless the ringworm is located on the hands. Miconazole is not effective for ringworm on the scalp. No side effects have been reported in individuals using miconazole cream.
Clotrimazole
Clotrimazole cream is a broad-spectrum antifungal medication, meaning it is useful on a wide variety of fungal infections including ringworm, notes Drugs.com. It is important for individuals using this cream to use it for its entire duration, even after the ringworm disappears, to prevent its return. Covering the ringworm with a bandage after applying the cream is not recommended. Patients who are also taking nystatin, amphotericin B or other antifungal medications should consult a doctor or pharmacist prior to beginning treatment.
Terbinafine
Terbinafine cream, also known as Lamasil, is a highly effective treatment against ringworm, and only has to be applied for one week, notes NYU Langone Medical Center. This cream, however, is reported to be more expensive than the others. Individuals are advised to consult with a doctor or pediatrician prior to using this cream on children under 12 years of age notes Drugs.com, since safety in this age group has not been determined through medical studies.
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