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DRUG INTERACTIONS: This drug is not recommended for use with: dofetilide, arbutamine, pimozide, halofantrine. Tell your doctor or pharmacist of all prescription and nonprescription drugs you may use, especially: other anesthetics (e.g., bupivacaine), procainamide, tocainide, cimetidine, beta- blockers (e.g., propranolol, atenolol, metoprolol), amiodarone, mexilitine, succinylcholine, vasopressor drugs (e.g., dobutamine), ergot-type oxytocic (e.g., ergonovine). Tell your doctor if you take drugs that cause drowsiness such as: medicine for sleep, sedatives, tranquilizers, anti-anxiety drugs (e.g., diazepam), narcotic pain relievers (e.g., codeine), psychiatric medicines (e.g., phenothiazines or tricyclics), anti- seizure drugs (e.g., carbamazepine), muscle relaxants, antihistamines that cause drowsiness (e.g., diphenhydramine). Check the labels on all your medicines (e.g., cough-and-cold products) because they may contain drowsiness-causing ingredients. Ask your pharmacist about the safe use of those products. This product can interfere with certain lab tests. Inform laboratory personnel that you are using this medication. Do not start or stop any medicine without doctor or pharmacist approval.

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 restlessness, anxiety, ringing in the ears, blurred vision, tremors; or severe dizziness or drowsiness.

NOTES: Do not share this medication with others. Laboratory and/or medical tests may be performed to monitor for side effects and response to treatment.

MISSED DOSE: If the dose is interrupted, contact your doctor or pharmacist immediately to establish new dosing.

STORAGE: Store at room temperature between 59 and 77 degrees F (15 to 25 degrees C) away from light and moisture. Discard any unused liquid.

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.