Studies have compared its effectiveness in treating toenail fungus with ciclopirox.
Other dermatophytes that may be involved are T. interdigitale, Epidermophyton floccosum, T. violaceum, Microsporum gypseum, T. tonsurans, T. soudanense A common outdated name that may still be reported by medical laboratories is Trichophyton mentagrophytes for T. interdigitale.
Some species cause diseases in humans and animals such as mycetoma, onychomycosis, and hyalohyphomycosis.
In addition to other formulations, ciclopirox is used in lacquers for topical treatment of onychomycosis (fungal infections of the nails).