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 mental/mood changes, severe drowsiness, loss of consciousness, slowed breathing.

NOTES: Do not share this medication with others. Laboratory and/or medical tests (e.g., phenytoin blood levels, liver function tests) should be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details. Do not change from one brand of this product to another, or to another dose form of this drug (e.g., capsules) without consulting your doctor or pharmacist. Your dosage may have to be adjusted.

MISSED DOSE: If you miss a dose, use it as soon as you remember unless it is within 4 hours of the next dose. In that case, skip the missed dose and resume your usual schedule. Check with your doctor if you miss doses for more than 2 days in a row. Do not double the dose to catch up.

STORAGE: Store at room temperature between 59-86 degrees F (15-30 degrees C) away from light and moisture. Do not store in the bathroom. Keep all medicines away from children and pets.

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).