Drugs >  Terbinafine
Terbinafine
Pronunciation
Brand Names
Therapeutic Categories
Reasons not to take this medicine
What is this medicine used for?
How does it work?
How is it best taken?
What do I do if I miss a dose?
What are the precautions when taking this medicine?
What are the common side effects of this medicine?
What should I monitor?
Reasons to call healthcare provider immediately
How should I store this medicine?
General statements

Pronunciation
(TER bin a feen)

Brand Names
Lamisil® AT™ Topical; Lamisil® Dermgel; Lamisil® Topical

Therapeutic Categories
Antifungal Agent, Oral; Antifungal Agent, Topical

Reasons not to take this medicine

  • If you have an allergy to naftifine, terbinafine, or any other part of the medicine.
  • If you have severe liver disease or severe kidney disease.


What is this medicine used for?

  • Improvements may be seen after this medicine is done. It may take 16-40 weeks to see the benefits.
  • Skin:
    • This medicine is used to treat athlete's foot, jock itch, and ringworm.
  • Oral:
    • This medicine is used to treat fungus (yeast) infections of the fingernail and toenail.


How does it work?

  • Terbinafine kills the fungus (yeast).


How is it best taken?

  • Skin:
    • Do not take by mouth. For skin only. Keep out of mouth, nose, and eyes (may burn).
    • Wash your hands before and after use.
    • Clean affected area before use.
    • Use a small amount over the area affected as a light film. Rub in gently.
    • Do not put coverings (bandages, dressings, make-up) over the area unless told to do so by healthcare provider.
  • Oral:
    • Take with or without food. Take with food if this medicine causes an upset stomach.
    • Use entire prescription as directed, even if feeling better.


What do I do if I miss a dose?

  • Take a missed dose as soon as possible.
  • If it is almost time for the next dose, skip the missed one. Return to your regular schedule.
  • Do not take a double dose or extra doses.


What are the precautions when taking this medicine?

  • Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, throat; or any other symptoms involved.
  • Tell healthcare provider if you are pregnant or plan on getting pregnant.
  • Tell healthcare provider if you are breast-feeding.


What are the common side effects of this medicine?

  • Skin:
    • Redness, burning, stinging, and itching.
  • Oral:
    • Diarrhea.
    • Belly pain and cramps.
    • Rash.
    • Taste changes or loss of taste.


What should I monitor?

  • Oral:
    • Check blood work if you are taking this medicine for more than 6 weeks. Talk with healthcare provider.


Reasons to call healthcare provider immediately

  • Signs of a life-threatening reaction. These include wheezing; tightness in the chest; fever; itching; bad cough; blue skin color; fits; swelling of face, lips, tongue, or throat.
  • Any rash.
  • Skin:
    • If you are using the solution, see no improvement in your condition after 1 week or if you are feeling worse.
    • Severe redness, stinging, blistering, peeling, swelling, or itching.
    • If you are using the cream, and see no improvement in 2-4 weeks after medicine is gone or you are feeling worse.


How should I store this medicine?

  • Store tablets in a tight, light-resistant container at room temperature.
  • Store cream and solution at room temperature.


General statements

  • Do not share your medicine with others and do not take anyone else's medicine.
  • Keep all medicine out of the reach of children and pets.
  • Keep a list of all your medicines (prescription, herbal/supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, pharmacist, physician assistant).
  • Talk with healthcare provider before starting any new medicine, including over-the-counter or natural products (herbs, vitamins).


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