DRUG INTERACTIONS: Tell your doctor of all prescription and nonprescription drugs you may use, especially of: diuretics, cold preparations and nasal decongestants, reserpine, other heart or blood pressure medications, 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 nausea, vomiting, headache, slow heartbeat, severe drowsiness, dizziness, difficulty breathing, or fainting.

NOTES: Do not share this product with others.

MISSED DOSE: If you miss a dose, use it as soon as remembered; do not use 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. Do not freeze.

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).