Proper Use

Drug information provided by: IBM Micromedex

Take this medicine exactly as directed even if you feel well. Do not take more of this medicine and do not take it more often than your doctor ordered. 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 and do not miss any doses.

Take this medicine with food.

Use only the form of this medicine that your doctor prescribed. The oral suspension and tablet contain different amounts of medicine.

Shake the oral suspension well before using. Use a specially marked measuring syringe or spoon to measure each dose accurately. The average household teaspoon may not hold the right amount of liquid.


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 treatment of diarrhea caused by protozoal infections:
    • For oral dosage form (oral suspension):
      • Adults and children 12 years or older—25 milliliters (mL) every 12 hours, taken with food, for 3 days.
      • Children 4 to 11 years of age—10 mL every 12 hours, taken with food, for 3 days.
      • Children 1 to 3 years of age—5 mL every 12 hours, taken with food, for 3 days.
      • Children younger than 1 year of age—Use and dose must be determined by your doctor.
    • For oral dosage form (tablets):
      • Adults and children 12 years of age and older—500 milligrams (mg) every 12 hours, taken with food, for 3 days.
      • Children up to 11 years of age—Use of tablet is not recommended in these patients.

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Do not keep outdated medicine or medicine no longer needed.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.

The mixed oral liquid can be stored at room temperature for 7 days. Throw away any unused medicine after 7 days.