What is Grisactin Ultra (griseofulvin)?
Griseofulvin is an antifungal medication. It is like an antibiotic but is used to treat fungal infections. Griseofulvin is used to treat fungal infections of the skin, hair, and nails such as jock itch, athlete’s foot, and barber’s itch. Griseofulvin may also be used for purposes other than those listed in this medication guide.