Drug reference
pneumococcal polysaccharide vaccine
bacterial polysaccharide vaccine · vaccine
bacterial polysaccharide vaccinevaccine
CDSCO approved
EXCRETION
—
not curated
INTERACTIONS
—
none in our sources
PREGNANCY
—
not curated
Mechanism
This vaccine contains long chains of capsular polysaccharides collected from inactivated Streptococcus pneumoniae. It induces type-specific antipolysaccharide antibodies, although it often elicits suboptimal immune responses and shorter-term immunity compared to conjugate vaccines.
Indications
prevention of invasive diseases caused by Streptococcus pneumoniae
Dosing
- Adult
- at-risk adults
- Pediatric
- children older than 2 years
Related guidelines
Ask House about pneumococcal polysaccharide vaccine
Continue into a citation-backed clinical answer with the drug context already attached.
Textbook-sourced·Sources: Goodman & Gilman 14e·Updated: 2026-05-10