osudhkosh

Generic

Haemophilus Influenzae Type B Polysaccharide Vaccine

4 brands available in the market

At a glance

Haemophilus Influenzae Type B Polysaccharide Vaccine is used for prevention of Hib infection.

Description

Introduction: Haemophilus Influenzae Type B Polysaccharide Vaccine is used for prevention of invasive disease caused by Haemophilus influenzae type b. It is approved for use in children 2 months through 5 years of age.

How it works: Antigenic capsular polysaccharides induce antibody production which provides immunity against H. influenzae type b bacteria.

Important Information: 4-dose series (0.5 mL each) given by intramuscular injection: Primary series at 2, 4, and 6 months of age and Booster at 15 through 18 months of age.

Indications
  • Prevention of Haemophilus influenzae type b infection - meningitis, septicemia, cellulitis, arthritis
Therapeutic class

Vaccine

Pharmacological class

Polysaccharide Vaccine

Pharmacology

This vaccine contains the antigenic capsular polysaccharide of H. influenzae type b which induces antibody production. It is approved for use in children 2 months through 5 years of age and is given as a 4-dose series by intramuscular injection.

Mechanism of action

The vaccine induces antibody production through antigenic capsular polysaccharides which provides immunity against H. influenzae type b bacteria.

Dosage

Child Dose (2 months-5 years):

  • Primary series: 0.5 mL each at 2, 4, and 6 months (first dose may be given at 6 weeks)
  • Booster: 0.5 mL at 15-18 months

6-12 months (previously unvaccinated):

  • 2 injections 1 month apart, then booster in second year

1-5 years (previously unvaccinated):

  • 1 dose
Administration

Intramuscular (IM) injection - into the anterolateral aspect of the thigh or deltoid. Administered by healthcare professional.

Missed dose

If you miss a dose, take the next dose according to the schedule. Consult your doctor.

Side effects

Common Side Effects:

  • Irritability - 72.6%
  • Drowsiness - 57.5%
  • Tenderness - 46.3%
  • Induration - 22.5%
  • Fever - 20.1%
  • Anorexia - 15.3%
  • Diarrhea - 4.4%
  • Injection site erythema/induration/pain/swelling
Precautions & warnings

Precautions:

  • Minor illnesses such as upper respiratory infection with or without low-grade fever are not contraindications
  • H. influenzae type b disease may occur subsequent to vaccination and prior to onset of protective effects - medical supervision needed
  • Immunosuppressive therapy may reduce immune response to vaccine
Contraindications

Contraindications:

  • Hypersensitivity
Drug interactions

Drug Interactions:

  • Immunosuppressive therapies (irradiation, antimetabolites, alkylating agents, cytotoxic drugs, corticosteroids) may reduce immune response to vaccine
Food interactions

Food Interactions: No interaction found/established.

Use in pregnancy

Use in Pregnancy: Not applicable (for children).

Pregnancy Category: C — always consult a doctor before taking during pregnancy.

Use in lactation

Use in Lactation: Excretion in milk unknown.

Pediatric use

Pediatric Use: Approved for children 2 months through 5 years of age.

Geriatric use

Geriatric Use: Not applicable (for children).

Renal / hepatic impairment

Renal & Hepatic Impairment: No known restrictions.

Overdose effects

Overdose: Overdose is unlikely (given in prescribed doses).

Storage conditions

Storage: Store at 2°C-8°C (refrigerator). Do not freeze.

Chemical structure

Haemophilus Influenzae Type B Polysaccharide Vaccine

Common questions

Q1: What is this vaccine used for?
It is used to prevent Haemophilus influenzae type b infection (meningitis, septicemia).
Q2: What are the side effects?
Irritability, drowsiness, tenderness, fever and injection site reactions.
Q3: Who should receive this vaccine?
Children 2 months through 5 years of age.
⚠️ This information is for educational purposes only — not a substitute for medical advice. Consult a registered physician before taking any medicine.