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PRECAUTIONS: Before taking pyridostigmine, tell your doctor or pharmacist if you are allergic to it; or to other anticholinesterase medications (e.g., neostigmine); or to bromides; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: stomach/intestinal blockage, urinary blockage.Before using this medication, tell your doctor or pharmacist your medical history, especially of: lung disease (e.g., asthma, chronic obstructive pulmonary disease-COPD), kidney disease, slow/irregular heartbeat.Before having surgery, tell your doctor or dentist that you are using this medication.The liquid form of this product contains sugar and/or alcohol. Caution is advised if you have diabetes, alcohol dependence, or liver disease. Ask your doctor or pharmacist about using this product safely.Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, elderly people may be at greater risk for side effects while using this drug.During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.It is not known whether this medication passes into breast milk. Consult your doctor before breast-feeding.

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: aminoglycoside antibiotics (e.g., gentamicin), antiarrhythmic medications (e.g., quinidine), anticholinesterase eye medications (e.g., physostigmine), beta blockers (e.g., timolol, propranolol), mefloquine, narcotic pain medications (e.g., morphine, codeine).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.

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.