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DRUG INTERACTIONS: Tell your doctor of all nonprescription and prescription medication you may use, especially of: other narcotic pain relievers, tranquilizers, sleeping pills, anti-anxiety drugs, antidepressants, MAO inhibitors (e.g., phenelzine, linezolid, furazolidone, selegiline), droperidol, psychiatric medication (e.g., chlorpromazine), blood pressure drugs (especially water pills), anti-seizure drugs, certain antihistamines (e.g., diphenhydramine), muscle relaxants, cimetidine. This drug may interfere with certain laboratory tests (amylase and lipase). 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 unusual drowsiness or dizziness, very slow or weak pulse, slow or shallow breathing, muscle rigidity, and loss of consciousness.

NOTES: Your condition and response to this medication will be closely monitored.

MISSED DOSE: This medication is only given as needed by a health care professional.

STORAGE: Store at room temperature between 59 and 86 degrees F (15-30 degrees C) away from light and moisture.

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.