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DRUG INTERACTIONS: Tell your doctor of all nonprescription and prescription medication you may use, especially of: phenothiazines (e.g., chlorpromazine), beta-blockers (e.g., propranolol), MAO inhibitors (e.g., furazolidone, linezolid, moclobemide, phenelzine, procarbazine, selegiline), tricyclic antidepressants (e.g., amitriptyline), guanethidine, methyldopa, alpha blockers (e.g., prazosin, doxazosin), atropine, certain ergots (e.g., ergonovine), "water pills" (diuretics), drugs hastening childbirth (oxytocics), rauwolfia alkaloids (e.g., reserpine), sympathomimetics (adrenaline-like drugs such as epinephrine). 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 tingling or numbness of the hands or feet, irregular heartbeat.

NOTES: Do not share this medication with others.

MISSED DOSE: Not applicable.

STORAGE: Store at room temperature between 36 and 86 degrees F (2-30 degrees C) away from light and moisture. Discard any unused portion of the ampule or cartridge.

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.