DRUG INTERACTIONS: Your healthcare professionals (e.g., doctor or pharmacist) may already be aware of any possible drug interactions and may be monitoring you for it. Do not start, stop or change the dosage of any medicine before checking with them first.This drug should not be used with the following medication because a very serious interaction may occur: flu vaccine inhaled through the nose.If you are currently using the medication listed above, tell your doctor or pharmacist before starting amantadine.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: anticholinergics (e.g., atropine), antihistamines (e.g., diphenhydramine), certain psychiatric medicines (phenothiazines such as thioridazine), quinidine, quinine, stimulants (like caffeine and decongestants commonly found in cough-and-cold products), triamterene/hydrochlorothiazide, trimethoprim/sulfamethoxazole.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. Canadian residents should call their local poison control center directly. Symptoms of overdose may include fast/irregular heartbeats, severe drowsiness, shortness of breath, change in the amount of urine, mental/mood changes (e.g., anxiety, aggression, confusion, hallucinations), seizures.

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.