You can get other tablets for nail fungus, such as itraconazole (Sporanox). This medication works in the same way as Terbinafine, and is also taken for six to twelve weeks. It just contains a different active ingredient. Your doctor will recommend the best one for you depending on your individual needs.
You can also get a medicated nail polish (like Penlac) or cream (like Jublia or Kerydin), if you prefer. Medicated nail polishes need to be painted on the affected nails and surrounding skin once a day for up to a year. Medicated nail creams need to be rubbed into your infected nails after soaking.
Terbinafine is available as a pill or a cream. The active ingredient is the same in both medications, the only difference is in the way you take them. (Cream is applied directly to the infection, and the tablets are swallowed.)
Terbinafine
Terbinafine
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Product info
- Terbinafine is an antifungal tablet that attacks nail fungus to stop it growing.
- It comes in 250 mg doses and is taken for six or twelve weeks, depending on location.
- It’s the generic version of Lamisil. Both drugs work the same, but Terbinafine might be cheaper.
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Terbinafine Terbinafine
What is Terbinafine?
Terbinafine is an antifungal tablet that contains the active ingredient terbinafine. This attacks the source of nail fungus infections to reduce symptoms and treat infection. The pills are small and easy to swallow, and a typical course lasts six to twelve weeks.
Terbinafine tablets are also available under the brand-name Lamisil. The main difference between Terbinafine and Lamisil is the branding: Terbinafine is a generic treatment that can be made by several companies, while Lamisil is a branded tablet made by just one.
How does Terbinafine work?
Nail fungus infections happen when yeast or mould from the environment enter small cracks in the skin around your nail. This fungus is strengthened by chemicals called sterols. Sterols hold the membrane of the fungi together so that it can grow.
Terbinafine attacks sterols and prevents them from strengthening the fungi. Without these sterols, the infection membranes break down and the infection is eradicated. [1]
What doses of Terbinafine tablets are there?
Terbinafine tablets come in a single dosage size of 250mg.
Terbinafine is also available as a cream, gel and spray, and your physician may suggest a short combined course of tablets and cream.
Treated trusted source:
- Maxfield, L., Preuss, C.V. and Bermudez, R. (2020). Terbinafine. PubMed.
This page was written by The Treated Content Team. 
This page was medically reviewed by Dr. Joseph Palumbo on August 22, 2024. Next review due on August 22, 2026.
How we source info.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
Terbinafine Terbinafine
How to take Terbinafine tablets
For nail fungus affecting your fingernails, the typical treatment regimen is to take one pill a day for six weeks. Swallow it whole with water, at the same time every day.
For nail fungus affecting your toenails, the treatment course is a little longer — one tablet a day for twelve weeks. Your doctor will let you know exactly how to take your medication when they prescribe it to you.
How long does it take Terbinafine to work?
When taken daily, terbinafine tablets generally take six-to-twelve weeks to work.[1] Your treatment time will depend on the location of your infection. Our physician will tell you how long to take the tablets for.
What should I do if I make a mistake when taking Terbinafine?
The best way to avoid making a mistake when taking Terbinafine tablets is to take the tablets at the same time every day.
If you forget to take your dose, take it as soon as you remember. (But don’t double your dose to make up for the forgotten one, as this can increase your risk of side effects.) If it’s nearly time to take your next dose, simply skip the one you missed, and carry on as normal from your next dose.
Treated trusted source:
- Maxfield, L., Preuss, C.V. and Bermudez, R. (2020). Terbinafine. PubMed.
This page was written by The Treated Content Team. This page was medically reviewed by Dr. Joseph Palumbo on August 22, 2024. Next review due on August 22, 2026.
How we source info.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
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