Terbinafine: here's the fair price
This is what US pharmacies pay, on average, for terbinafine. Use it to spot a fair cash price, and feel good about asking for one.
Terbinafine Hcl 250 Mg Tablet
A fair cash price is usually this cost plus a dispensing fee. If your quote is many times higher, ask about a generic, another pharmacy, or a cash discount.
Ask for generic Terbinafine Hcl 250 Mg Tablet. Pharmacies pay about $4.29 for 30. Ask your pharmacy for its cash price and compare it with your copay. A fair cash price is close to this cost plus a dispensing fee.
Source: CMS NADAC as of 2026-11-04. Ask your prescriber or pharmacist whether a generic is right for you.
Source: CMS NADAC weekly file as of 2026-11-04. Median across NDCs with the same description. Public domain.
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Every strength and form
| Product | Pharmacy cost | 30 count | Effective |
|---|---|---|---|
| TERBINAFINE HCL 250 MG TABLETGeneric | $0.14 per tablet or capsule | $4.29 | 10/21/2026 |
| TERBINAFINE 1% CREAMGeneric | $0.35 per gram | n/a | 10/21/2026 |
Source: CMS NADAC, as of 2026-11-04. National average acquisition cost, not a retail quote.
Label basics
What it is used for (FDA label)
1 INDICATIONS AND USAGE Terbinafine tablets, USP 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). ( 1 )
Common side effects (FDA label)
6 ADVERSE REACTIONS Common (greater than 2% of patients treated with terbinafine tablets) reported adverse events include headache, diarrhea, rash, dyspepsia, liver enzyme abnormalities, pruritus, taste disturbance, nausea, abdominal pain, and flatulence. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Cipla Ltd. at 1-866-604-3268 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates in the clinical trials of a drug cannot be directly compared to rates in the...
Drug interactions (from the label)
7 DRUG INTERACTIONS Terbinafine is an inhibitor of CYP450 2D6 isozyme and has an effect on metabolism of desipramine. Drug interactions have also been noted with cimetidine, fluconazole, cyclosporine, rifampin, and caffeine. ( 7.1 ) 7.1 Drug-Drug Interactions In vivo studies have shown that terbinafine is an inhibitor of the CYP450 2D6 isozyme. Drugs predominantly metabolized by the CYP450 2D6 isozyme include the following drug classes: tricyclic antidepressants, selective serotonin reuptake inhibitors, beta-blockers, antiarrhythmics class 1C (e.g., flecainide and propafenone) and monoamine oxidase inhibitors Type B. Coadministration of terbinafine tablets should be done with careful...
Warnings (from the label)
5 WARNINGS AND PRECAUTIONS Liver failure, sometimes leading to liver transplant or death, has occurred with the use of oral terbinafine. Obtain pretreatment serum transaminases. Prior to initiating treatment and periodically during therapy, assess liver function tests. Discontinue terbinafine tablets if liver injury develops. ( 5.1 ) Taste disturbance, including taste loss, has been reported with the use of terbinafine tablets. Taste disturbance can be severe, may be prolonged, or may be permanent. Discontinue terbinafine tablets if taste disturbance occurs. ( 5.2 ) Smell disturbance, including loss of smell, has been reported with the use of terbinafine tablets. Smell disturbance may be...
Source: FDA drug label via openFDA, label effective 2025-09-19. Full label on DailyMed. Excerpts are verbatim and truncated. Read the full label and ask your pharmacist.