SIDE EFFECTS: May cause drowsiness. Use caution when performing tasks that require alertness. Other side effects include dry mouth, bloating, constipation, difficulty in urination, irregular pulse, confusion, tremors, restlessness, blurred vision, altered taste perception. Inform your doctor if any of these effects continue or worsen. If this medication makes you constipated, increase your fiber intake by eating more fresh fruit and vegetables, salad, and whole grain breads. Exercise and drink plenty of water (unless your doctor tells you not to). In the unlikely event you have an allergic reaction to this drug, seek medical attention immediately. Symptoms of an allergic reaction include: rash, itching, swelling, dizziness, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.

PRECAUTIONS: If you ever had an unusual reaction to belladonna or to any barbiturate or if you are allergic to tartrazine (a yellow dye), tell your doctor before taking this medication. If you have any of the following health problems, inform your doctor before using this drug. This medication should not be used if you have: kidney disease, liver disease, glaucoma, heart problems, certain diseases of the urinary tract. Alcoholic beverages may add to the drowsiness caused by this drug. Avoid strenuous exercise especially in hot weather and avoid saunas while taking this medication. This drug reduces sweating which can lead to overheating. This combination product is not recommended for use during pregnancy. Consult your doctor before using this drug. This drug is excreted into breast milk. The barbiturate in this drug has caused problems in nursing infants. Consult your doctor before breast-feeding.

DRUG INTERACTIONS: Many drugs can decrease the effects of this medication or increase its side effects. Tell your doctor what prescription and nonprescription medications you are taking, especially drugs that cause drowsiness such as: cough-and-cold medicines, sleep medications, narcotic pain medications (e.g., codeine). This drug may interfere with the effectiveness of birth control pills. Discuss using other methods of birth control with your doctor. 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.