Terbinafinedrug info
terbinafine 250 MG Oral Tablet
What it is used for
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. Terbinafine tablets are an allylamine antifungal indicated for the treatment of onychomycosis of the toenail or fingernail due to dermatophytes (tinea unguium).
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective September 30, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
Terbinafine tablets, USP contain the synthetic allylamine antifungal compound terbinafine hydrochloride USP. Chemically, terbinafine hydrochloride is (E)- N -(6,6-dimethyl-2-hepten-4-ynyl)- N -methyl-1-naphthalenemethanamine hydrochloride. The molecular formula C 21 H 26 ClN with a molecular weight of 327.90, and the following structural formula: Terbinafine hydrochloride USP is a white to off-white fine crystalline powder. It is freely soluble in methanol and methylene chloride, soluble in ethanol, and slightly soluble in water.
Each tablet contains: Active Ingredient: Terbinafine hydrochloride USP (equivalent to 250 mg of terbinafine) Inactive Ingredients: Microcrystalline cellulose, sodium starch glycolate, colloidal silicon dioxide, hypromellose, and magnesium stearate. Chemical Structure
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective September 30, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
This page reproduces regulatory text for reference. It is not medical advice, and KenyRx is not a pharmacy or a prescriber. Talk to a doctor or pharmacist about whether a medicine is right for you.
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