Lamisil is a brand name for Terbinafine, intended for the treatment of fungal nail infections.
The medication is also used to treat lichen, head infection, itching and other fungal infections.
The drug can be taken orally or applied to the skin.
Lamisil is in a class of drugs known as antifungal agents. It works by stopping the growth of fungi.
The local form of this drug was approved by the Food and Drug Administration (FDA) in 1993. Oral tablets were approved in 1996. Lamisil is manufactured by Novartis, Inc.
Some people who took Lamisil developed severe liver damage that resulted in a liver transplant or death.
In most of these cases, a person had a serious illness before he started taking Lamisil.
You should tell your doctor immediately if you have any symptoms of liver problems that may include:
- Pain at the top of the abdomen
- Loss of appetite
- Urine of dark color
- Yellowing of eyes or skin
Skipping a dose of Lamisil can increase your risk of further infection, which will become resistant to antibiotics.
When you take this medicine, carefully follow the instructions of your doctor.
Before taking Lamisil, you should tell your doctor if you have or have ever had:
- Kidney disease
- Liver disease
- The human immunodeficiency virus (HIV)
- Acquired Immunodeficiency Syndrome (AIDS)
- Autoimmune disorder, such as lupus or psoriasis
If you are taking Lamisil to treat a nail or point infection, you should know that your fungus can not be completely cured until several months after the end of treatment.
It takes time for healthy nail growth.
Before taking Lamisil, tell your doctor if you are allergic to it or if you have other allergies.
Pregnancy and Lamisil
Lamisil is a FDA category B drug, which means that it should not harm an unborn baby.
However, you should wait until you give birth to treat an infection of your nails or scalp with Lamisil.
Tell your doctor if you are pregnant or plan to become pregnant while taking this medication.
You should not take Lamisil during breastfeeding.
The medicine can be transferred into breast milk and may harm the infant.
Common side effects
You should tell your doctor if any of the following side effects become serious or do not go away:
- Stomach upset
- Abdominal pain
- Rash, itching, or urticaria
- Changes or loss of taste
Serious side effects
You should call your doctor immediately if you have any of the symptoms listed in the “Warnings” section, or any of the following serious side effects:
- An upset stomach that does not go away
- Extreme fatigue
- Depression or mood changes
- Chest pain or irregular heartbeat
- Fever, sore throat, or other signs of infection
- Severe skin rash that worsens
You must inform your doctor about all prescription, non-prescription, illegal, recreational, herbal, food or dietary preparations that you take, especially:
- Blood solvents such as warfarin (coumadin)
- Antidepressants such as amitriptyline (eval), amoxapine (asendin), clomipramine (anaphranil), desipramine (norpramine), doxepin (adapine, synecan), imipramine (tophranil), nortriptyline (aventile, pamlor), protriptyline (vivatil) and trimipramine Surmontil)
- Beta-blockers, such as atenolol (Tenormin), labetalol (Normodyne), metoprolol (Lopressor, Toprol XL), nadolol (Corgard) and propranolol (Inderal)
- Cimetidine (Tagamet)
- Medicines that suppress the immune system, such as azathioprine (Imuran), cyclosporine (Neoral, Sandimmune), methotrexate (Rheumatrex), sirolimus (Rapamune) and tacrolimus (Prograf)
- Rifampin (Rifadine, Rimatan)
- Selegiline (eldepril)
Lamisil and alcohol
You should avoid drinking alcohol by taking Lamisil.
Daily use of alcohol may increase the risk of serious side effects. Talk with your doctor about this potential interaction.
Lamisil and other interactions
Try to avoid drinking coffee, cola, tea or other beverages containing caffeine while taking Lamisil.
The drug can make the skin more sensitive to sunlight.
Avoid excessive exposure to sunlight and tanning beds, wear protective clothing and use sunscreen on the street.
Dosage of Lamisil
Lamisil is supplied as a cream, gel, spray, powder or solution to treat local skin infections.
Cream form of the drug is usually applied to the affected area once or twice a day for about one week.
Tablets: tablets are usually prescribed for the treatment of fungal nail infections.
Tablets are usually taken once a day for six weeks to treat nail fungus or once a day for 12 weeks to treat fungi on legs.
Take a tablet with a full glass of water.
When taking this medication, you should carefully follow the directions on the prescription label. Do not take more or less medicine than prescribed.
Granules: Oral granules Lamisila is used to treat fungal infections of hair follicles in children older than 3 years.
You should not mix them with apple sauce, fruit juice or other acidic foods.
If you suspect an overdose of Lamisilum, you should immediately go to a toxicology center or emergency room.
You can contact the Toxicology Center