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Haemophilus B Conjugate (Prp-Omp) Vaccine Dosage

Medically reviewed by Last updated on Dec 13, 2021.

Applies to the following strengths: 7.5 mcg-125 mcg/0.5 mL

Usual Pediatric Dose for Haemophilus influenzae Prophylaxis

2 to 14 months of age: Two 0.5 mL doses intramuscularly two months apart

  • Children who get their first dose of this vaccine between 2 and 10 months of age should get a booster vaccination at 12 to 15 months of age.

15 to 71 months of age, previously unvaccinated: 0.5 mL intramuscularly once

  • Use is not recommended in infants younger than 6 weeks of age due to the potential for immune tolerance.
  • This product may be interchanged with other licensed Haemophilus b (Hib) Conjugate Vaccines for primary and booster vaccination.
  • A booster dose is required for infants that complete the regimen before 12 months of age; this maintains antibody levels during the first 2 years of life when the risk of invasive Hib is highest.

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available



  • Hypersensitivity to any of the ingredients
  • If hypersensitivity symptoms develop after injection, do not give further injections of this vaccine

Safety and efficacy have not been established in patients younger than 2 months or older than 71 months.

To report suspected adverse reactions, contact the Vaccine Adverse Event Reporting System (VAERS) at:

Consult WARNINGS section for additional precautions.


Data not available

Other Comments

Administration advice:

  • For intramuscular use; do not administer intravenously

Storage requirements: Refrigerate; do not freeze

More about haemophilus b conjugate (prp-omp) vaccine

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.