Drug NameLamisil (Terbinafine) Drug UsesLamisil is used for treating fungal infections of the fingernails and toenails. How TakenUse Lamisil as directed by your doctor. Check the label on the medicine for exact dosing instructions.
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. Drug Class and MechanismLamisil is an antifungal agent. It works by killing sensitive fungi. Missed DoseIf you miss a dose of Lamisil , take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once. StorageStore at room temperature 77 degrees F (25 degrees C) away from light and moisture. Do not store in the bathroom. Keep all medicines away from children and pets.
Warnings/Precautions
Do NOT use Lamisil if:
- you are allergic to any ingredient in Lamisil
- you have severe kidney problems or a history of liver problems
Contact your doctor or health care provider right away if any of these apply to you.
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 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:
- Cimetidine because it may increase the risk of Lamisil 's side effects
- Rifampin because it may decrease Lamisil 's effectiveness
- 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) because the risk of their side effects may be increased by Lamisil
- Anticoagulants (eg, warfarin) because their effectiveness may be decreased or the risk of their side effects may be increased by Lamisil
Possible Side Effects
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; headache; indigestion; taste changes.
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, or tongue; unusual hoarseness); red, blistered, peeling, or swollen skin; 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); unusual bruising or bleeding; vision changes.
More 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.
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