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Terbinafine

This form:

Pronounced

"ter-BIN-uh-feen"

Common brand names:

Lamisil

Uses

Terbinafine is used to treat certain types of fungal infections (for example, of the fingernail or toenail). It works by stopping the growth of fungus. This medication belongs to a class of drugs known as antifungals.

How to Use This Medication

Read the Medication Guide provided by your pharmacist before you start taking terbinafine and each time you get a refill. If you have any questions, ask your doctor or pharmacist.

Take this medication by mouth with or without food as directed by your doctor, usually once a day. The dosage and length of treatment is based on your medical condition and response to treatment.

It may take several months after you finish treatment to see the full benefit of this drug. It takes time for your new healthy nails to grow out and replace the infected nails.

Continue to take this medication until the full prescribed amount is finished, even if symptoms disappear after a few days. Stopping the medication too early may result in a return of the infection.

Tell your doctor if your condition lasts or gets worse.

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Drug information is selected from data included with permission and copyrighted by First DataBank, Inc. This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional. Always seek the advice of your healthcare professional if you have any questions about this product or your medical condition. This information is not intended as individual medical advice and does not substitute for the knowledge and judgment of your healthcare professional. This information does not contain any assurances that this product is safe, effective or appropriate for you.

This information is intended only for residents of the United States. Products sold under the same brand names in other countries may contain different ingredients.

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Information expires December 2025.