1.2. Pediatrics

Nitazoxanide is FDA-approved for the management of diarrhea caused by G. lamblia or C. parvum in pediatric patients 1 year of age and older. Nitazoxanide pediatric dosage recommendations are summarized in Table 2. Patient profiles containing dosages exceeding these recommendations will be reviewed.

Table 2. Pediatric Nitazoxanide Dosage Recommendations 1-3
Treatment IndicationAvailable Dosage StrengthsMaximum Recommended Dosage Per Age Group *
Diarrhea caused by G. lamblia or C. parvumDiarrhea caused by G. lamblia or C. parvum
  • 1-3 years of age:
    • 100 mg (5 ml as oral suspension) every 12 hours (with food) for 3 days
  • 4-11 years of age:
    • 200 mg (10 ml as oral suspension) every 12 hours (with food) for 3 days
  • Greater than or equal to 12 years of age:
    • 500 mg tablet (or 25 ml as oral suspension) every 12 hours (with food) for 3 days

Legend:

  • * Tablets are only approved for use in children 12 years of age and older