How It Works:

Terbinafine is an antifungal drug. It stops growth of fungi by inhibiting an important enzyme that results in reduced formation of ergosterol, a vital component of the outer protective layer of fungi which is essential for fungal growth.

Side Effects:

red, peeling, scaling, indigestion, raised, itchy skin rashes ; loss of appetite; feeling of fullness, burning and irritation if skin at application site and application site pain may occur upon application of terbinafine creams or ointments., Very common: pain and stiffness in muscles, abdominal pain, bone or joints ; non-serious form of skin reactions, redness, urge to vomit, loose motions . Local symptoms such as itching, pale, swelling, enlargement of belly

Used For:

Terbinafine is used to treat fungal infections affecting fingernails, toenails and skin.


Liver function tests are advisable during treatment with terbinafine especially for people with liver diseases.Consult your doctor before taking terbinafine if you have or had,
  • Psoriasis (skin disease characterized by thick, scaly, itchy, dry, red and sometimes painful patches on the skin).
  • Lupus erythematosus (a disease in which your body’s immune system attacks your tissues and organs causing inflammation that affects your joints, skin and other major organs).
  • Liver disease, Kidney problems or any disease which may affect your kidneys, Depression, Alcohol abuse or dependence, Blood related problems including low hemoglobin or red blood cells (anemia).
Consult your doctor if: 
  • You notice any symptoms of abnormal liver function such as - Persistent urge to vomit (nausea), loss of appetite, unusual tiredness, vomiting, stomach pain, yellowing of skin and eyes (jaundice), dark color urine or pale stools.
  • You feel depressed or experience any signs of depression. 
  • You experience any signs of serious skin reactions such as blisters, peeling of skin, swelling of face lips, tongue, and difficulty in swallowing or breathing.
  • Experience taste disturbances including loss of taste.
  • Experience smell disturbances including loss of smell.
  • You are diagnosed with abnormal structure, function or quality of blood cells (blood dyscrasias).
  • Terbinafine creams/ointments are meant for external use only.
  • Do not use terbinafine creams/ointments on the face. Avoid contact with eyes. In case of accidental contact with eyes, rinse thoroughly with running water. Cleanse and dry the affected areas thoroughly and wash your hands before applying terbinafine cream.For better treatment results, keep the affected areas clean by regular washing and careful drying with your own clean towels and clothes. Do not rub or scratch the skin.

Frequently Ask Questions:

Q. Is terbinafine safe during lactation?No. When taken orally, terbinafine passes into the breast milk. Hence use of terbinafine is not recommended during lactation.
Q. Is terbinafine/bricanyl a steroid/sulfa drug?Terbinafine is an antifungal drug. It does not have chemical structure or effects similar to steroids. The chemical structure and mechanism of action of terbinafine is different from sulfa drugs.
Q. Is terbinafine effective/ FDA approved/ contraindicated with asthma?Terbinafine is an antifungal drug used to treat fungal infections affecting fingernails, toenails and skin. It is effective if used as advised by your doctor. The effectiveness of terbinafine may vary upon individual response. It is FDA approved and is not contraindicated in asthma.
Q. Is terbinafine safe or is terbinafine dangerous?Terbinafine is safe if used at prescribed doses for the prescribed duration as advised by your doctor.
Q. Is terbinafine used to treat ringworm?Terbinafine can be used to treat fungal infections caused by ringworm (tinea corporis, tinea cruris and tinea pedis) if considered appropriate depending upon severity and site of infection.
Q. Sebifin/ Bricanyl/ Athakind is used for?Sebifin/ Bricanyl/ Athakind is a trade name for active drug terbinafine. Terbinafine is used to treat fungal infections affecting fingernails, toenails and skin.
Q. Is Bricanyl available over counter?It is available on doctor’s prescription.
Q. Can I take terbinafine/Lamisil with ibuprofen, amoxicillin, prednisone, acetaminophen, metronidazole, phentermine, azithromycin?Lamisil is a trade name for active drug terbinafine. Terbinafine has no known serious drug interactions with ibuprofen, amoxicillin, prednisone, acetaminophen, metronidazole, phentermine or azithromycin. Inform your doctor about all the medication you are currently taking to avoid interactions that may reduce effectiveness of terbinafine treatment or aggravate side effects.
Q. Can I take terbinafine/Lamisil with alcohol?Lamisil is a trade name for active drug terbinafine. There are no studies on the effect of alcohol during treatment with terbinafine. Please consult your doctor regarding concomitant intake of alcohol while taking terbinafine.
Q. Does terbinafine interfere with birth control?Yes. Concomitant use of terbinafine with birth control medications (oral contraceptives) may cause disturbances in menstrual periods.
Q. Does terbinafine treat yeast infections/thrush/tinea versicolor?Terbinafine is used to treat fungal infections affecting fingernails, toenails and skin. It is not the preferred antifungal in the treatment of yeast fungal infections including thrush (yeast infection of skin) and tinea versicolor (yeast infection characterized by discoloured skin usually on the back, underarms, upper arms, chest, and neck).
Q. Can terbinafine cause constipation/ hair loss/weight gain/ increase blood pressure/ autism/ stop contractions/ hyperglycemia/ respiratory depression?No. Constipation, hair loss and increase in body weight / increase blood pressure/ autism/stop contractions/ hyperglycemia/ respiratory depression are not among the known side effects of terbinafine.
Q. How long can I take terbinafine for?The duration of treatment with terbinafine varies depending upon the severity of infection, area infected and individual responses. Please follow the advice of your doctor regarding the duration of use.
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