Infanrix Tetra

Diphtheria and tetanus toxoids, acellular pertussis, inactivated poliovirus, and Haemophilus influenzae type b vaccine, the active ingredient in Infanrix Tetra, is a vaccine presented as an injectable formulation for intramuscular use. It provides immunization against diphtheria, tetanus, pertussis, poliomyelitis and Haemophilus influenzae type b in infants and children.

GNH USA supplies Infanrix Tetra as a licensed, GDP-compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Infanrix Tetra is a combination vaccine that targets several bacterial and viral agents responsible for serious childhood diseases.

- Diphtheria: stimulates protective antibodies that neutralize diphtheria toxin. - Tetanus: induces immunity against tetanus neurotoxin. - Pertussis: generates antibodies to prevent whooping cough. - Poliomyelitis: provides immunity to all three poliovirus serotypes. - Haemophilus influenzae type b: creates antibodies against the capsular polysaccharide, preventing invasive Hib disease.

Common Side Effects: - Pain, redness or swelling at the injection site. - Low‑grade fever within 24‑48 hours. - Irritability or fussiness in infants. - Reduced appetite. - Mild headache. - Transient rash.

Serious or Rare Side Effects: - Anaphylactic reaction (severe allergy). - Seizures or high‑grade fever. - Prolonged crying episodes. - Hypotonic‑hyporesponsive episodes. - Encephalopathy (extremely rare). - Persistent neurological symptoms.

Infanrix Tetra should be administered according to national immunization schedules and under professional supervision. - Allergy: Do not give to individuals with a known severe allergy to any vaccine component. - Acute illness: Postpone vaccination if the child has a moderate or severe febrile illness. - History of seizures: Monitor closely in children with prior seizure disorders. - Immunocompromised: Evaluate risk‑benefit before vaccinating severely immunocompromised patients. - Previous severe reaction: Avoid repeat dosing if a serious adverse event occurred after a prior dose. - Store at 2-8°C: keep refrigerated, protect from light, do not freeze or shake.

Infanrix Tetra may interact with other vaccines or immune‑modulating agents.

Major Interactions (Avoid): - Concurrent administration of live attenuated vaccines may reduce efficacy of either product. - Immunoglobulin or blood products given shortly before or after vaccination can diminish the immune response. - Severe allergic reaction to a previous dose of any component.

Moderate Interactions (Monitor Closely): - Antipyretics (e.g., acetaminophen) may mask fever, a sign of reaction. - Systemic corticosteroids may blunt antibody production. - Concurrent use of other inactivated vaccines may increase local reactogenicity.