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|Terbinafine

Terbinafine

Terbinafine is used for:

Treating fungal infections of the skin and nails.

Terbinafine is an antifungal agent. It works by preventing the formation of substances needed by the fungus to grow and develop, which causes weakness and death of the fungus.

Do NOT use Terbinafine if:

• you are allergic to any ingredient in Terbinafine

Contact your doctor or health care provider right away if any of these apply to you.

Before using Terbinafine :

Some medical conditions may interact with Terbinafine . 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 liver disease, kidney disease, or lupus, or you have a history of alcohol abuse

Some MEDICINES MAY INTERACT with Terbinafine . 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 side effects from Terbinafine
• Rifampin because it may decrease the effectiveness of Terbinafine
• Antiarrhythmics (eg, flecainide, propafenone), beta-blockers (eg, metoprolol), monoamine oxidase (MAO) type B inhibitors (eg, selegiline), selective serotonin reuptake inhibitors (SSRIs) (eg, fluoxetine), or tricyclic antidepressants (eg, amitriptyline) because their actions and side effects may be increased by Terbinafine
• Anticoagulants (eg, warfarin) because their effectiveness may be affected by Terbinafine

This may not be a complete list of all interactions that may occur. Ask your health care provider if Terbinafine 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 Terbinafine :

Use Terbinafine as directed by your doctor. Check the label on the medicine for exact dosing instructions.

• Terbinafine may be taken with or without food.
• Terbinafine 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.
• It may take several weeks to months for your symptoms to improve.
• If you miss a dose of Terbinafine , 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.

Ask your health care provider any questions you may have about how to use Terbinafine .

Important safety information:

• Alcohol use with Terbinafine may increase your risk of liver problems. Talk with your doctor about drinking alcohol with Terbinafine .
• It is important to use Terbinafine for the full course of treatment. Failure to do so may decrease the effectiveness of Terbinafine and increase the risk that the fungus will no longer be sensitive to Terbinafine and will not be able to be treated by this or certain other antibiotics in the future.
• If you experience persistent nausea, loss of appetite, fatigue, vomiting, right upper stomach pain, yellowing of the skin or eyes, dark urine, or pale stools, contact your doctor immediately. These could be signs of liver problems.
• If a skin rash develops or worsens, stop using Terbinafine and contact your doctor immediately.
• LAB TESTS, such as liver function tests, may be performed to monitor your progress or to check for side effects. Be sure to keep all doctor and lab appointments.
• Use Terbinafine with extreme caution in CHILDREN. Safety and effectiveness have not been confirmed.
• PREGNANCY and BREAST-FEEDING: Do not use Terbinafine if you are pregnant. If you suspect that you could be pregnant, contact your doctor immediately. Terbinafine is excreted in breast milk. Do not breast-feed while taking Terbinafine .

Possible side effects of Terbinafine :

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:

Change in sense of taste; diarrhea; gas; indigestion; itching; nausea; rash.

Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); dark urine; fever; infection; loss of appetite; pale stools; peeling skin; severe skin rash; sore throat; stomach pain; tiredness; unexplained, persistent nausea; vision changes; vomiting; yellowing of skin or eyes.

This is not a complete list of all side effects that may occur. If you have questions or need medical advice about side effects, contact your doctor or health care provider. You may report side effects to the FDA at 1-800-FDA-1088 (1-800-332-1088) or at http://www.fda.gov/medwatch.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center ( http://www.aapcc.org/findyour.htm), or emergency room immediately. Symptoms may include dizziness; frequent urination; headache; nausea; rash; stomach pain; vomiting.

Store Terbinafine below 77 degrees F (25 degrees C) in a tightly closed container. Store away from heat, moisture, and light. Keep Terbinafine out of the reach of children and away from pets.

General information:

• If you have any questions about Terbinafine , please talk with your doctor, pharmacist, or other health care provider.
• Terbinafine 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.

This information is a summary only. It does not contain all information about Terbinafine . 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.