This first section of our medication database entry focuses on basic drug characteristics, uses and benefits, while part two covers side effects, interactions and additional information.
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Lamisil Consumer Information
LAMISIL
Generic Name: terbinafine (ter BIH na feen)
Brand Names: Lamisil
What is the most important information I should know about terbinafine?
- Take all of the terbinafine that has been prescribed for you even if you begin to feel better. The symptoms may begin to improve before the infection is completely treated.
- In rare cases, terbinafine has caused severe liver damage, sometimes resulting in liver transplant or death. Notify your doctor immediately if you develop nausea, vomiting, abdominal pain, unusual fatigue, loss of appetite, yellow skin or eyes, itching, dark urine, or clay colored stools. These symptoms may be early signs of liver damage.
What is terbinafine?
- Terbinafine is an antifungal medication. It is like an antibiotic but is used to treat fungal infections.
- Terbinafine is used to treat fungal infections of the fingernails and toenails.
- Terbinafine may also be used for purposes other than those listed in this medication guide.
What should I discuss with my healthcare provider before taking terbinafine?
- Do not take terbinafine without first talking to your doctor if you have
- ever had an allergic reaction to it,
- liver disease,
- kidney disease,
- problems with your immune system, or
- blood problems.
- You may not be able to take terbinafine, or you may require a dosage adjustment or special monitoring if you have any of the conditions listed above.
- Terbinafine is in the FDA pregnancy category B. This means that it is not expected to harm an unborn baby. Do not take terbinafine without first talking to your doctor if you are pregnant.
- Terbinafine passes into breast milk and may affect a nursing baby. Do not take this medication without first talking to your doctor if you are breast-feeding a baby.
How should I take terbinafine?
- Take terbinafine exactly as directed by your doctor. If you do not understand these instructions, ask your pharmacist, nurse, or doctor to explain them to you.
- Take each dose with a full glass (8 ounces) of water.
- Take all of the terbinafine that has been prescribed for you even if you begin to feel better. The symptoms may begin to improve before the infection is completely treated. It may take several months to cure a fingernail or toenail infection.
- Store this medication at room temperature away from moisture and heat.
What happens if I miss a dose?
- Take the missed dose as soon as you remember. However, if it is almost time for the next regularly scheduled dose, skip the missed dose and take the next one as directed. Do not take a double dose of this medication.
What happens if I overdose?
- Seek emergency medical attention.
- Symptoms of a terbinafine overdose are not well known but might include drowsiness, poor coordination, shortness of breath, abdominal pain, frequent urination, rash, and headache.
What should I avoid while taking terbinafine?
- Avoid alcohol or use it in moderation while taking terbinafine. Alcohol and terbinafine can both affect the liver.
Please see the end of this document for relevant limitations, full details of our medication information supplier, and revision date or version number.