Proper Use

Take this medicine only as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered.

This medicine comes with a Medication Guide. Read and follow these instructions carefully. Ask your doctor if you have any questions.

You may crush the tablets or swallow them whole. You may take this medicine with or without food.

Dosing

The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

  • For oral dosage form (tablets):
    • For seizures:
      • Adults—At first, 400 milligrams (mg) once per day. Your doctor may adjust your dose as needed. However, the dose is usually not more than 1600 mg once per day.
      • Children 4 to 17 years of age—Dose is based in body weight and must be determined by your doctor.
        • Weighs more than 38 kilograms (kg)—At first, 400 mg once per day. Your doctor may adjust your dose as needed. However, the dose is usually not more than 1200 mg once per day.
        • Weighs 32 to 38 kg—At first, 300 mg once per day. Your doctor may adjust your dose as needed. However, the dose is usually not more than 900 mg once per day.
        • Weighs 22 to 31 kg—At first, 300 mg once per day. Your doctor may adjust your dose as needed. However, the dose is usually not more than 800 mg once per day.
        • Weighs 11 to 21 kg—At first, 200 mg once per day. Your doctor may adjust your dose as needed. However, the dose is usually not more than 600 mg once per day.
      • Children younger than 4 years of age—Use and dose must be determined by your doctor.

Missed Dose

If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.

Storage

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.

Keep out of the reach of children.

Do not keep outdated medicine or medicine no longer needed.

Ask your healthcare professional how you should dispose of any medicine you do not use.