Detailed Terbinafine dosage information for adults and children. Includes dosages for Onychomycosis - Toenail, Tinea Pedis, Tinea Corporis and more; plus renal, liver and dialysis adjustments. Terbinafine, sold under the brand name Lamisil among others, an antifungal medication used to treat pityriasis versicolor, fungal nail infections, and ringworm including jock itch and athlete's foot. Tinasil – Product Information 3 PRECAUTIONS Use in Patients with Hepatic Impairment Terbinafine tablets are contraindicated for patients with chronic or active hepatic disease. Learn about Lamisil (Terbinafine) may treat, uses, dosage, side effects, drug interactions, warnings, patient labeling, reviews, and related medications. 1. Treatment of Terbinafine tablets sensitive fungal infections such as Tinea corporis, Tinea cruris and Tinea pedis (caused by Dematophytes see Section 5.1) is considered appropriate due to the site, severity or extent of the infection. A dosage of 250 mg PO once daily for 7 days has been suggested. In a clinical trial for interdigital tinea pedis, patients receiving oral terbinafine administered for 1 week achieved the same cure rates as those who received 4 weeks of topical clotrimazole 1% cream application (71%). Unfortunately our full catalog may not be displayed in your state. If you contact our Customer Support by one of the methods below, we will be able to assist you in locating the product you are looking for. Terbinafine is an antifungal antibiotic used to treat infections caused by fungus that affect the fingernails or toenails (onychomycosis). Oral granules are used to treat a fungal infection of scalp hair follicles in children who are at least 4 years old. Terbinafine is available under the following different brand names: Lamisil. Cautions Contraindications. Hypersensitivity to terbinafine or any ingredient in the formulation. Warnings/Precautions Warnings Hepatotoxicity. Hepatotoxicity, including abnormal liver function tests and severe cholestatic hepatitis, has been reported in some patients receiving oral terbinafine. Terbinafine tablets are indicated for the treatment of onychomycosis of the toenail or fingernail due to dermatophytes (tinea unguium). Prior to initiating treatment, appropriate nail specimens for laboratory testing [potassium hydroxide (KOH) preparation, fungal culture, or nail biopsy] should be obtained to confirm the diagnosis of onychomycosis.