DRUG INTERACTIONS: Before you take this drug, tell your doctor of any over-the-counter or prescription drugs you are taking, especially of: oral contraceptives, levodopa, medication for high blood pressure, migraine headache drugs, drugs used for depression. 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 severe weakness or dizziness, increased sweating, pale-looking skin, mental or mood changes.

NOTES: Do not stop taking this drug suddenly without your doctor's approval. Do not allow anyone else to take this medication.

MISSED DOSE: If you miss a dose, take as soon as remembered within 4 hours, otherwise skip that dose and resume usual dosing schedule. Do not "double-up" the dose to catch up.

STORAGE: Store below 77 degrees F (below 25 degrees C) away from moisture and sunlight. Do not store in the bathroom.