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Drugs reference index «Terbinex»



Generic Name: Terbinafine Tablets and Hydroxypropyl-Chitosan Nail Lacquer (TER-bin-a-feen/hye-DROX-ee-proe-pil/KYE-toe-san)Brand Name: Terbinex

Terbinex is used for:

Treating fungal infections of the fingernails or toenails.

Terbinex is an antifungal agent. It works by killing sensitive fungi.

Do NOT use Terbinex if:

  • you are allergic to any ingredient in Terbinex
  • you have severe kidney problems, active liver problems, or a history of long-term liver problems

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

Before using Terbinex :

Some medical conditions may interact with Terbinex . 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, cirrhosis, or alcohol abuse or dependence
  • if you have a weakened immune system

Some MEDICINES MAY INTERACT with Terbinex . 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 Terbinex 's side effects
  • Rifampin because it may decrease Terbinex '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 Terbinex
  • Anticoagulants (eg, warfarin) because their effectiveness may be decreased or the risk of their side effects may be increased by Terbinex

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

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

  • To use the tablets: Take by mouth with or without food.
  • The tablets are usually taken for 6 to 12 weeks, depending on your condition. The full benefit may not be seen for several months after stopping treatment. This includes the time period necessary for healthy nails to grow.
  • To use the nail lacquer: Use at bedtime, unless your doctor tells you otherwise. Wash and dry the affected nails, then apply a thin coat of medicine.
  • Do not apply the nail lacquer to a wound, or to broken or damaged skin.
  • Use the nail lacquer until a new, healthy nail has grown, unless your doctor tells you otherwise. This usually takes 6 to 12 months, depending on your condition.
  • To clear up your infection completely, take Terbinex 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 Terbinex , 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 Terbinex .

Important safety information:

  • Avoid large amounts of food or drink that have caffeine (eg, coffee, tea, cocoa, cola, chocolate) while you are taking Terbinex .
  • Rarely, Terbinex may cause severe or even fatal liver problems. If liver problems occur, they may be more severe in patients who have other active liver problems or a history of long-term liver problems. Discuss any questions or concerns with your doctor.
  • The nail lacquer is for external use only. Do not get it in your eyes, nose, or mouth. If you get it in any of these areas, rinse right away with cool water.
  • You may apply nail polish on top of the nail lacquer.
  • Unless you are washing your hands, use gloves while using water or chemical substances to avoid accidentally washing the nail lacquer off. Wearing cotton under the gloves is preferred.
  • The nail lacquer is flammable. Do not store or use near an open flame or while smoking.
  • Lab tests, including liver function, may be performed while you use Terbinex . These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
  • Terbinex should be used with extreme caution in CHILDREN; safety and effectiveness in children have not been confirmed.
  • PREGNANCY and BREAST-FEEDING: Do not use Terbinex if you are pregnant. If you think you may be pregnant, contact your doctor right away. Terbinex is found in breast milk. Do not breast-feed while taking Terbinex .

Possible side effects of Terbinex :

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.

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. You may report side effects to FDA at 1-800-FDA-1088. You may also report side effects 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), or emergency room immediately. Symptoms may include dizziness; frequent urination; nausea; rash; severe or persistent headache; stomach pain; vomiting.

Proper storage of Terbinex :

Store the tablets at room temperature between 68 and 77 degrees F (20 and 25 degrees C) in a tightly closed container. Store away from heat, moisture, and light. Do not store in the bathroom. Store the nail lacquer at room temperature between 59 and 86 degrees F (15 and 30 degrees C). Do not store near an open flame. Keep Terbinex out of the reach of children and away from pets.

General information:

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