DRUG INTERACTIONS: This drug is not recommended for use with: dofetilide. Ask your doctor or pharmacist for more details. Tell your doctor of all the prescription and nonprescription medicines you may use, especially of: other beta-blockers (e.g., propranolol), diuretics ("water pills"), St John's wort. 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 slow heartbeat, dizziness, nausea/vomiting, drowsiness, unconsciousness, seizures, slow or shallow breathing, confusion, or muscle weakness.

NOTES: Do not share this product with others.

MISSED DOSE: If you miss a dose, take as soon as remembered; do not take if it is almost time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.

STORAGE: Store at room temperature away from sunlight and moisture.

MEDICAL ALERT: Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854-1166 (USA), or 1-800-668-1507 (Canada).

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.