PRECAUTIONS: Tell your doctor your medical history especially of: glaucoma (narrow angle type), irregular heartbeat, high blood pressure, urination problems (e.g., enlarged prostate), blockage of the esophagus/stomach/intestines, any allergies. This drug may make you dizzy or drowsy; use caution engaging in activities requiring alertness such as driving or using machinery. Alcohol can increase drowsiness. Limit alcohol use. To minimize dizziness and lightheadedness, get up slowly when rising from a seated or lying position. Elderly patients may be more sensitive to the effects of this drug. Use cautiously. This drug should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor It is not known if this drug is excreted into breast milk. Consult your doctor before breast-feeding.

DRUG INTERACTIONS: Inform your doctor about all the medicine you use (both prescription and nonprescription), especially if you take other medicines that make you sleepy such as: tranquilizers, psychiatric medicine (e.g., phenothiazines such as chlorpromazine), narcotic pain relievers, muscle relaxants, anti- seizure drugs, anti-anxiety medicine. Also inform your doctor if you take: amantadine, digoxin, other drugs which cause decreased sweating (e.g., anticholinergics such as amitriptyline or haloperidol). Many nonprescription medicines for coughs and colds contain ingredients that may make you drowsy or give you dry mouth. Consult your doctor or pharmacist before using such products and/or to help you identify these ingredients. 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 dizziness, unusually fast or slow heartbeat, slow or shallow breathing, drowsiness, unconsciousness, seizures, loss of coordination, fever, hot, dry, or flushed skin, dry mouth or nose, bad breath, constipation, large pupils or change in vision, change in amount of urine, nausea/vomiting, rash, confusion, hallucinations, anxiety, headache, trouble swallowing, or unusual speech.

NOTES: Do not share this medication with others.

MISSED DOSE: If you miss a dose, take as soon as remembered unless the next scheduled dose is within 2 hours. If so, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

STORAGE: Store at room temperature away from moisture and sunlight. Do not store in the bathroom. Do not freeze liquid forms.

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.