Lamisil
(terbinafine)
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Treats fungal infections.
Skip Upsides & Downsides section. Skip to side effects section.
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Our bottom line
Lamisil (terbinafine) is first-choice treatment for many types of fungal infections, but a successful treatment course ranges from weeks to months.
Quick facts about terbinafine
- Drug class: Infection
- Rx status:
- Generic status: Lower-cost generic available (terbinafine)
Upsides
- Effectively treats many types of fungal infections.
- Available in cheap, generic version.
- Lamisil (terbinafine) comes in many different formulations that's easy to apply depending on the site of infection.
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Downsides
- Takes weeks to months to treat an infection.
- The pill form is not a good option if you have liver disease.
- Lamisil (terbinafine) can interfere with how many other medicines work. Talk to your doctor and pharmacist before starting any new medicines or supplements while you are on Lamisil (terbinafine).
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What to expect from terbinafine, on one page
Download Fact SheetHow it works
Lamisil (terbinafine) is an antifungal that kills fungi by disrupting the formation of its protective cell wall.
Quick facts about terbinafine
- Drug class: Infection
- Rx status:
- Generic status: Lower-cost generic available (terbinafine)
Used for
Dosage forms
- Pill
- Cream
- Gel
- Spray
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Prices and coupons
Skip prices section. Skip to what to expect section.Prices and coupons for 30 (250mg) tablets of terbinafine near
Pay as low as$833.52Retail priceRetail priceLearn more- CostcoGet free coupon$818.30
- Medicine ShoppeGet free coupon$838.42
- AlbertsonsGet free coupon$841.27
Sign up now for a 30-day trial and save up to 95% at CVS, Kroger, Albertsons, and other pharmacies.
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See more prices and coupons in your areaWhat to expect when you take Lamisil (terbinafine) for Fungal infection
Skip what to expect section. Skip to side effects section.- First few hoursHoursFirst few daysDaysFirst few weeksWeeksFirst few monthsMonths
- Effectiveness
- Starts to kick inFull effects
- First few hoursHoursFirst few daysDaysFirst few weeksWeeksFirst few monthsMonths
- Possible side effects
- Headache
- Diarrhea
- Rash
- Indigestion
- Taste disturbance
- Nausea
Side effect rates for Lamisil (terbinafine)
From 602 clinical trials of terbinafine when taken for fungal infection
- Headache13%13%10%10%
- Diarrhea6%6%3%3%
- Rash6%6%2%2%
- Indigestion4%4%3%3%
- Nausea3%3%3%3%
- Pruritus3%3%2%2%
- Liver enzyme abnormalities3%3%1%1%
- Taste disturbance3%3%1%1%
- Abdominal pain2%2%2%2%
- Flatulence2%2%2%2%
0%
10%
20%
30%
40%
50%
60%
70%
80%
Where we got our data »
The placebo bar shows how common a side effect was for people taking a sugar pill instead of terbinafine.
Lamisil (terbinafine)
Placebo
People taking terbinafine felt side effect more
People taking terbinafine felt side effect less
No difference
Risks and Warnings for Lamisil (terbinafine)
Skip risks section. Skip to common concerns section.- Higher risk if:
- › Past history of liver disease
- › Taking Lamisil (terbinafine) by mouth
Taking Lamisil (terbinafine) can damage your liver or worsen your liver disease. Your doctor will draw your blood regularly to monitor your liver function. Talk to your doctor if you notice dark urine and/or severe abdominal pain.
Common concerns from people taking Lamisil (terbinafine)
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- Taking Lamisil (terbinafine) can damage your liver or worsen your liver disease. Your doctor will draw your blood regularly to monitor your liver function. Talk to your doctor if you notice dark urine and/or severe abdominal pain.
- Rarely, Lamisil (terbinafine) can lower your red blood cells and affect your body's ability to form blood clots. Talk to your doctor if you notice any unusual signs of weakness, dizziness, abdominal pain, nausea, and/or bruising.