Indication: Booster vaccination against diphtheria, tetanus, pertussis, and poliomyelitis for individuals aged 4 years and older.
Use in Pregnancy: Provides passive protection against pertussis in early infancy following maternal immunization during pregnancy.
Not for Primary Immunization: Intended solely as a booster dose.
Contraindications
Hypersensitivity to any component of the vaccine.
Encephalopathy of unknown etiology occurring within 7 days following previous pertussis vaccination.
History of transient thrombocytopenia or neurological complications following earlier immunization against diphtheria and/or tetanus.
Dosage and Administration
Dose: Single 0.5 mL intramuscular injection.
Recommended Intervals: Booster doses at intervals as per official recommendations (generally 10 years). Ideally administered during the third trimester of pregnancy.
Administration: Intramuscular injection, preferably in the deltoid muscle. Do not administer intravenously, intradermally, or subcutaneously.
Moderate or Severe Illness: Vaccination should be postponed.
Neurological Disorders: Consider deferring pertussis immunization in children with progressive neurological disorders until stabilized.
Pregnancy and Breastfeeding: Safe based on studies; no adverse effects on pregnancy or the health of the fetus/newborn. Use during lactation only when benefits outweigh risks.
Drug Interactions
Concomitant Administration: Can be administered with other inactivated vaccines or immunoglobulin at different sites. Immunosuppressive therapy may reduce immune response.
Interactions: No evidence of significant interactions with food, herbs, or laboratory tests.
Storage and Stability
Storage: Store at 2°C to 8°C, do not freeze. Protect from light.
Clinical Trials and Efficacy
Efficacy: High seroprotection rates and immune responses against diphtheria, tetanus, pertussis, and poliovirus observed in clinical trials.
Safety in Children: Evaluated in clinical studies involving children aged 4 to 9 years, showing mild to moderate adverse reactions.
Safety in Adults and Adolescents: Evaluated in clinical trials with individuals aged 10 years and older, demonstrating common mild to moderate adverse reactions.