DRUG INTERACTIONS: Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: warfarin, drugs affecting liver enzymes that remove terbinafine from your body (such as amiodarone, cimetidine, rifampin, azole antifungals such as fluconazole/ketoconazole), drugs removed from your body by certain liver enzymes (such as tricyclic antidepressants, SSRI antidepressants, beta blockers, cyclosporine, dextromethorphan, drugs to treat heart rhythm problems, monoamine oxidase inhibitors type B such as rasagiline).This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.

OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US National Poison Hotline at 1-800-222-1222. Canada residents can call a provincial poison control center.

NOTES: Do not share this medication with others.This medication has been prescribed for your current condition only. Do not use it later for another infection unless your doctor directs you to do so. A different medication may be necessary in those cases.Laboratory and/or medical tests (e.g., complete blood counts, liver function tests) should be performed before you start terbinafine and periodically during your treatment to check for side effects. Consult your doctor for more details.

Report Problems to the Food and Drug Administration You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088. Need help identifying pills and medications? Use the pill identifier tool on RxList.