Naftifine hydrochloride 1% cream (Naftin - Herbert Laboratories), was recently approved by the US Food and Drug Administration (FDA) for topical treatment of tinea cruris and tinea corporis. It is available only by prescription.

Butenafine hydrochloride 1% cream (Mentax - Penederm), a benzylamine antifungal drug similar to the allylamines terbinafine (Lamisil) and naftifine (Naftin), is now available in the USA for topical treatment of tinea pedis, tinea corporis and tinea cruris.

Terbinafine 1% cream (Lamisil - Sandoz), an allylamine synthetic antifungal drug chemically related to naftifine (Naftin - Medical Letter, 30:98, 1988), is now available in the USA for topical treatment of tinea pedis, tinea cruris, and tinea corporis infections. An oral formulation is available in Europe and is under investigation here.

Sertaconazole nitrate (Ertaczo - OrthoNeutrogena), an imidazole antifungal similar to clotrimazole and miconazole, has been approved by the FDA as a 2% cream for topical treatment of interdigital tinea pedis infection. It has been available in Europe for many years.

A Medical Letter reader recently received a diagnosis of athlete’s foot and a prescription for Naftin gel, for which his pharmacy charged $145, and his insurance company required a $70 copay because this formulation was not included in its formulary. Do patients need to pay prices like these to treat tinea pedis?

The FDA has approved luliconazole (Luzu Cream, 1% – Valeant) for treatment of tinea pedis, tinea cruris, and tinea corporis infections.

The drugs of choice for treatment of fungal infections are listed in the table that begins on page 62. Some of the indications and dosages recommended here have not been approved by the FDA. More detailed guidelines for some of these infections are available online from the Infectious Diseases Society of America (www.idsociety.org).