PRECAUTIONS: Tell your doctor your medical history, especially of: kidney disease, liver disease, heart disease, blood disorders, Parkinson's disease, seizure disorders, glaucoma, any allergies you may have. Because this medication may cause drowsiness, use caution operating machinery or engaging in activities requiring alertness. It is recommended to avoid drinking alcoholic beverages while taking this medication. This medication should be used only when clearly needed during pregnancy. It should not be used in the first 3 months of pregnancy. Discuss the risks and benefits with your doctor. This medication appears in breast milk. Consult your doctor before breast-feeding.

DRUG INTERACTIONS: Tell your doctor of all prescription and nonprescription medications you may use, especially of: anti- anxiety agents, antidepressants, muscle relaxants, anti-seizure medicine, high blood pressure medicine, cabergoline, metrizamide, guanethidine, guanadrel, grepafloxacin, sparfloxacin, lithium, cisapride, atropine-like drugs, narcotic pain relievers (e.g., codeine), drugs used to aid sleep, drowsiness-causing antihistamines (e.g., diphenhydramine), other drugs that may make you drowsy. Many cough-and-cold products contain ingredients that may add a drowsiness effect. Before using cough-and-cold medications, ask your doctor or pharmacist about the safe use of those products. 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, muscle spasms, twitching, inability to swallow, excessive saliva, high fever, excess sweating, and loss of consciousness.

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.