Generic Name: Terbinafine

  • What is Lamisil?

    Lamisil tablets are used to treat fungal infections of the toenail or fingernail. Lamisil oral granules are used for the treatment of fungal infections of the scalp hair follicles in adults and children >4 years old.

  • What is the most important information I should know about Lamisil?

    Lamisil has been known to cause rare cases of liver damage. If you develop warning signs such as nausea, loss of appetite, fatigue, vomiting, right upper abdominal pain, yellowing of the eyes or skin, dark urine, or pale bowel movements, stop taking Lamisil and alert your doctor right away.

    Lamisil may cause lupus, a condition that attacks your own immune system and may affect the skin, joints, kidneys, and other organs. If you experience symptoms of joint pain and swelling, skin rash (shaped like a butterfly over the cheeks and bridge of the nose or elsewhere on the body), become sensitive to sunlight, or have chest pain or fatigue, stop taking Lamisil and call your doctor right away.

    Changes of the eye have been reported in people taking Lamisil. If you notice any changes in your vision while taking the tablets, alert your doctor.

    Lamisil can cause very severe skin reactions. If you develop a rash, stop taking Lamisil and call your doctor immediately.

    If you develop another kind of infection while taking Lamisil, tell your doctor. Lamisil may decrease your ability to fight infection.

    Lamisil works gradually. It usually takes a week for results to start becoming apparent.

  • Who should not take Lamisil?

    Do not take Lamisil if you are allergic to terbinafine or any of the ingredients in Lamisil. Also, Lamisil should not be taken if you have liver or kidney problems, or are pregnant or breastfeeding, unless directed by your doctor.

  • What should I tell my doctor before I take the first dose of Lamisil?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Lamisil. Also, talk to your doctor about your complete medical history, especially if you have kidney or liver disease, a weak immune system, lupus, are pregnant, may be pregnant, plan to become pregnant, are breastfeeding, or plan to breastfeed.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Lamisil Tablets

    Fungal Infection of the Fingernails and Toenails

    Adults: The usual dose is 250 milligrams (mg) once a day. Infection of the fingernails is usually treated for 6 weeks, whereas infection of the toenails for 12 weeks.

    Lamisil Oral Granules

    Fungal Infection of the Hair Follicles on the Scalp

    Adults and children >4 years: Your doctor will prescribe the appropriate dose based on your body weight.

  • How should I take Lamisil?

    Take Lamisil tablets exactly as directed. Lamisil can be taken with or without food. For best results, be sure to take the complete course of your medicine. Continue using Lamisil for the full amount of time your doctor prescribes, even if your symptoms begin to improve.

    To take Lamisil oral granules, carefully pour the entire contents of the packet onto a spoonful of a soft food, such as pudding, or other soft, nonacidic food such as mashed potatoes (do not use applesauce or a fruit-based food). Make sure that no granules remain in the packet. Swallow the combination of food and granules without chewing.

  • What should I avoid while taking Lamisil?

    Avoid alcohol while taking Lamisil.

    Do not take Lamisil oral granules with acidic food such as applesauce or a fruit-based food. Avoid chewing Lamisil oral granules.

    Avoid becoming pregnant or breastfeeding while taking Lamisil.

  • What are possible food and drug interactions associated with Lamisil?

    If Lamisil is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Lamisil with the following: drugs to treat heart arrhythmias (such as flecainide, propafenone), antidepressants (such as fluoxetine, imipramine, sertraline, and tranylcypromine), cimetidine, cyclosporine, beta-blockers (such as atenolol and propranolol), rasagiline, rifampin, selegiline, and warfarin.

  • What are the possible side effects of Lamisil?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: skin rash, lung infection, decreased level of white blood cells, abdominal pain, nausea, vomiting, diarrhea, headache, fever, upset stomach, changes in the way food tastes, weight loss, itching

  • Can I receive Lamisil if I am pregnant or breastfeeding?

    The effects of Lamisil during pregnancy and breastfeeding are unknown. It is not recommended to take Lamisil while breastfeeding. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What should I do if I miss a dose of Lamisil?

    If you miss a dose of Lamisil, take the missed dose as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and return to your regular schedule. Do not take two doses at once.

  • How should I store Lamisil?

    Store tablets and oral granules at room temperature.

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