SIDE EFFECTS: Drowsiness, weight gain, nausea, heartburn, dry mouth or anxiety may occur 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: a skin rash, depression, muscle aches, tremor, difficulty moving, abnormal or uncontrolled movements (especially of the face or mouth). If you notice other effects not listed above, contact your doctor or pharmacist.
PRECAUTIONS: Tell your doctor if you have: liver disease, movement disorders, Parkinson's disease, a history of depression, any allergies. Use caution operating machinery or engaging in activities requiring alertness. Avoid the use of alcohol while taking this medication since excessive drowsiness can occur. This medication should be used only if clearly needed during pregnancy or while breast-feeding. Discuss the risks and benefits with your doctor.
DRUG INTERACTIONS: Tell your doctor of any over-the-counter or prescription medication you may take, including: sedatives, anti-anxiety medications, muscle relaxants, tranquilizers, anti- seizure medications. 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 confusion, unusual drowsiness, and rapid pulse.
NOTES: This medication is not effective in treating an acute migraine attack. It must be used continuously to prevent migraines from occurring.
MISSED DOSE: Try to take each dose at the scheduled time. If you miss a dose, take it as soon as remembered; do not take it if it is near the 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 this medication at room temperature between 59 and 86 degrees F (15 and 30 degrees C) away from heat, light and moisture. Do not store in the bathroom. Keep this and all medications out of the reach of children.
Last Editorial Review: 3/2/2005
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