Pronunciation: TER-bin-a-feen
Generic Name: Terbinafine
Brand Name: Lamisil
Lamisil is used for:
Treating certain fungal infections of the fingernails and toenails.
Lamisil is an antifungal agent. It works by killing sensitive fungi.
Do NOT use Lamisil if:
- you are allergic to any ingredient in Lamisil
- you have severe kidney problems or a history of liver problems
- you have liver problems
Contact your doctor or health care provider right away if any of these apply to you.
Before using Lamisil:
Some medical conditions may interact with Lamisil. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have a history of kidney or liver problems, lupus, psoriasis, or alcohol abuse or dependence
- if you have a weakened immune system
Some MEDICINES MAY INTERACT with Lamisil. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Amiodarone, cimetidine, fluconazole, or ketoconazole because they may increase the risk of Lamisil's side effects
- Rifampin because it may decrease Lamisil's effectiveness
- Certain antiarrhythmics (eg, flecainide, propafenone), beta-blockers (eg, metoprolol), monoamine oxidase type B (MAO-B) inhibitors (eg, selegiline), selective serotonin reuptake inhibitors (SSRIs) (eg, fluoxetine), or tricyclic antidepressants (eg, amitriptyline, desipramine) because the risk of their side effects may be increased by Lamisil
- Anticoagulants (eg, warfarin) or cyclosporine because their effectiveness may be decreased or the risk of their side effects may be increased by Lamisil
This may not be a complete list of all interactions that may occur. Ask your health care provider if Lamisil may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use Lamisil:
Use Lamisil as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- An extra patient leaflet is available with Lamisil. Talk to your pharmacist if you have questions about this information.
- Take Lamisil by mouth with or without food.
- Lamisil is usually taken for 6 to 12 weeks depending on your condition. Maximum benefits may not be seen for several months after discontinuing treatment; this includes the time period necessary for the outgrowth of healthy nail.
- To clear up your infection completely, take Lamisil for the full course of treatment. Keep taking it even if you begin to see improvement before the end of your therapy.
- If you miss a dose of Lamisil, take it as soon as possible. If it is less than 4 hours until your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use Lamisil.
Important safety information:
- Lamisil only works against fungal infections; it does not treat bacterial or viral infections (eg, the common cold).
- Do NOT take more than the recommended dose or use for longer than prescribed without checking with your doctor.
- Be sure to take Lamisil for the full course of treatment. If you do not, the medicine may not clear up your infection completely. The fungus could also become less sensitive to this or other medicines. This could make the infection harder to treat in the future.
- Avoid large amounts of food or drink that have caffeine (eg, coffee, tea, cocoa, cola, chocolate) while you are taking Lamisil.
- Taste changes (eg, taste loss) have been reported in patients taking Lamisil. These effects may resolve within several weeks after you stop taking Lamisil, but may last for a long time (eg, more than 1 year). Tell your doctor right away if you experience a taste disturbance.
- Lab tests, including liver function tests and complete blood cell counts, may be performed while you use Lamisil. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
- Lamisil should be used with extreme caution in CHILDREN; safety and effectiveness in children have not been confirmed.
- PREGNANCY and BREAST-FEEDING: Do not use Lamisil if you are pregnant. If you think you may be pregnant, contact your doctor right away. Lamisil is found in breast milk. Do not breast-feed while taking Lamisil.
Possible side effects of Lamisil:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Diarrhea; gas; headache; indigestion; mild stomach pain; nausea.
Seek medical attention right away if any of these SEVERE side effects occur:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, throat, or tongue; unusual hoarseness); mental or mood changes (eg, depression); mouth sores; new or worsening symptoms of lupus (eg, butterfly-shaped rash on the face, joint pain, seizures, skin color changes, unusual sensitivity to the sun); red, blistered, peeling, or swollen skin; severe muscle pain or tenderness; symptoms of infection (eg, fever, chills, sore throat); symptoms of liver problems (eg, dark urine; loss of appetite; pale stools; stomach pain; unexplained, persistent nausea; unusual tiredness; vomiting; yellowing of the skin or eyes); taste changes (eg, taste loss); unusual bruising or bleeding; unusual weight loss; vision changes.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
See also: Lamisil side effects (in more detail)
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include dizziness; frequent urination; nausea; rash; severe or persistent headache; stomach pain; vomiting.
Proper storage of Lamisil:
Store Lamisil below 77 degrees F (25 degrees C) in a tightly closed container. Store away from heat, moisture, and light. Do not store in the bathroom. Keep Lamisil out of the reach of children and away from pets.
General information:
- If you have any questions about Lamisil, please talk with your doctor, pharmacist, or other health care provider.
- Lamisil is to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information is a summary only. It does not contain all information about Lamisil. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.
More Lamisil resources
- Lamisil Side Effects (in more detail)
- Lamisil Dosage
- Lamisil Use in Pregnancy & Breastfeeding
- Drug Images
- Lamisil Drug Interactions
- Lamisil Support Group
- 23 Reviews for Lamisil - Add your own review/rating
- Lamisil Prescribing Information (FDA)
- Lamisil Consumer Overview
- Lamisil Monograph (AHFS DI)
- Lamisil Advanced Consumer (Micromedex) - Includes Dosage Information
- Terbinafine Prescribing Information (FDA)
- Terbinafine Professional Patient Advice (Wolters Kluwer)
Compare Lamisil with other medications
- Cutaneous Candidiasis
- Onychomycosis, Fingernail
- Onychomycosis, Toenail
- Tinea Capitis
- Tinea Corporis
- Tinea Cruris
- Tinea Pedis
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