SIDE EFFECTS: Dizziness, drowsiness, headache, loss of appetite, nausea, constipation, stomach upset or dry mouth may occur the first several days as your body adjusts to the medication. If any of these effects continue or become bothersome, inform your doctor. Notify your doctor if you develop any of the following effects while using this medication: chest pain (angina), rapid pulse, rash, high blood pressure, difficulty urinating, tremors, nervousness, hallucinations, trouble breathing. To avoid dizziness and lightheadedness when rising from a seated or lying position, get up slowly. Also limit your intake of alcoholic beverages which will aggravate these effects. Use caution performing tasks requiring alertness if this medication causes you to feel drowsy. If you notice other effects not listed above, contact your doctor or pharmacist.

PRECAUTIONS: Tell your doctor your medical history, especially of: kidney disease, heart disease, lung disease (e.g., asthma, emphysema), high blood pressure, overactive thyroid, diabetes, glaucoma, prostate trouble, depression, constipation problems, any drug dependency, any allergies. This medication should not be used during pregnancy. If you become pregnant or think you may be pregnant, inform your doctor immediately. Since small amounts of this medication are found in breast milk, consult your doctor before breast-feeding.

DRUG INTERACTIONS: Tell your doctor of any over-the-counter or prescription medication you may take including: medication for blood pressure, antidepressants, tranquilizers, sleeping pills, sedatives, cimetidine, narcotic pain medications (e.g., codeine). Do not start or stop any medicine without doctor or pharmacist approval.

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.