DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

Some products that may interact with this drug include: digoxin, live bacterial vaccines, lovastatin, nelfinavir, warfarin.

Although most antibiotics probably do not affect hormonal birth control such as pills, patch, or ring, some antibiotics may decrease their effectiveness. This could cause pregnancy. Examples include rifamycins such as rifampin or rifabutin. Be sure to ask your doctor or pharmacist if you should use additional reliable birth control methods while using this antibiotic.

Many drugs besides azithromycin may affect the heart rhythm (QT prolongation), including amiodarone, dofetilide, pimozide, procainamide, quinidine, sotalol, and propafenone, among others. Therefore, before using azithromycin, report all medications you are currently using to your doctor or 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: Laboratory and/or medical tests may be performed to monitor for side effects and response to treatment.

MISSED DOSE: For the best possible benefit, it is important to receive each scheduled dose of this medication as directed. If the dose is missed, contact your doctor immediately to establish a new dosing schedule. Do not double the dose to catch up.

STORAGE: Consult the product instructions and your pharmacist for storage details. Keep all medicines out of reach of children and pets.

Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.

Information last revised November 2011. Copyright(c) 2012 First Databank, Inc.