Proper Use

Drug information provided by: Merative, 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. To do so may increase the chance of side effects.

This medicine comes with a patient information insert and patient instructions. Read and follow the instructions carefully. Ask your doctor if you have any questions.

You may take this medicine with or without food.

If you are unable to swallow the tablet whole:

  • You may break apart or crush the tablets and mix with drinking water. Do not use any other liquid.
  • Ask your doctor how much water you will need for your dose.
  • Gently swirl the container and swallow the mixture right away.
  • Rinse the container with 15 mL of drinking water and swallow the mixture. Repeat this step until no pieces of tablet are left in the container.

You may also give the medicine through a nasogastric tube or orogastric tube:

  • Place 2 tablets into the syringe and add 30 mL of drinking water.
  • Shake the syringe well for about 30 to 45 seconds or until the tablets are completely dispersed.
  • Give the mixture right away into the feeding tube.
  • Add 15 mL of drinking water into the same syringe and flush through the tube. Repeat this step until no pieces of tablet are left in the syringe.


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 the treatment cytomegalovirus (CMV) infection or disease:
      • Adults and children 12 years of age and older weighing 35 kilograms (kg) or more—400 milligrams (mg) (2 tablets) 2 times a day.
      • Children younger than 12 years of age or weighing less than 35 kg—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.


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.

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

You may store the mixture for up to 8 hours.