Prescription Terbinafine (value) Drug Information

Do NOT use Terbinafine if you are allergic to any ingredient in terbinafine or you have liver problems. 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 a history of kidney or liver problems, lupus, depression, psoriasis, alcohol abuse or dependence, or blood problems (eg, anemia) if you have a weakened immune system or low white blood cell counts Some MEDICINES MAY INTERACT with terbinafine. Tell your health care provider if you are taking any other medicines, especially any of the following: Amiodarone, cimetidine, fluconazole, or ketoconazole because they may increase the risk of terbinafine's side effects Rifampin because it may decrease terbinafine's effectiveness Antiarrhythmics (eg, flecainide, propafenone), beta-blockers (eg, metoprolol), dextromethorphan, monoamine oxidase type B (MAO-B) inhibitors (eg, selegiline), selective serotonin reuptake inhibitors (SSRIs) (eg, fluoxetine), or tricyclic antidepressants (eg, amitriptyline, desipramine) because the risk of their side effects may be increased by terbinafine Anticoagulants (eg, warfarin) because their effectiveness may be decreased or the risk of their side effects may be increased by terbinafine Cyclosporine or tamoxifen because their effectiveness may be decreased by terbinafine