Terbinafine 250 mg Tablet is used in the treatment of fungal infections. Terbinafine is an antifungal medication. It kills and stops the growth of the fungi by destroying its cell membrane, thereby treating your skin infection. Terbinafine helps treat fungal infections of the skin and nails. Do not skip any doses and finish the full course of treatment even if you feel better. That may lead to worsen your condition. It can make your skin more sensitive to sun. Use broad-spectrum sunscreen and protective clothing when outdoors. Follow the instruction given by doctor..