Proper Use

Drug information provided by: IBM Micromedex

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 patient instructions. Read and follow these instructions carefully. Ask your doctor if you have any questions.

Place the oral film on top of the tongue one at a time. The film will stick to the tongue and begin to dissolve. Do not cut or split it. Do not take it with liquids. Do not talk, chew, or spit while the film dissolves.

Swallow the tablet whole. Do not break, crush, or chew it.

If you are using the oral liquid:

  • This medicine can be taken by the mouth or be given via PEG tubes.
  • Measure the oral liquid with the oral syringe that it comes with. Gently shake the oral liquid for at least 30 seconds before using it.
  • Your doctor will give you certain instructions on how to take this medicine through a tube.

This medicine should be taken on an empty stomach. Take it at least 1 hour before or 2 hours after meals.

This medicine works best if there is a constant amount in the blood. To keep blood levels constant, take this medicine at the same time each day (eg, in the morning and in the evening) and do not miss any doses.


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 forms (film, suspension, tablets):
    • For ALS:
      • Adults—50 milligrams (mg) (10 milliliters [mL]) 2 times a day (every 12 hours).
      • Children—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.

Tablet: Skip the missed dose and take your next dose at the regular time. Do not use extra medicine to make up for a missed dose.


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.

Throw away any unused liquid after 15 days of opening the bottle.