Prevenar 20 is a 20-valent Pneumococcal Conjugate Vaccine (Adsorbed) I.P., developed by Pfizer. It's a sterile suspension intended for intramuscular injection.

Uses: Prevenar 20 is used to protect individuals 18 years of age and older against invasive disease and pneumonia caused by Streptococcus pneumoniae serotypes included in the vaccine.

Dose & Schedule: Typically, it is administered as a single 0.5 mL dose. The exact schedule and necessity for revaccination should be determined by a healthcare professional based on individual health status and previous vaccination history.

Side Effects: Common side effects can include pain, redness, or swelling at the injection site, muscle pain, fatigue, headache, and joint pain. Most are mild and temporary.

Contraindications: Individuals with a history of severe allergic reaction (e.g., anaphylaxis) to any component of Prevenar 20 or to any diphtheria toxoid-containing vaccine should not receive this vaccine. Always inform your doctor about your medical history and allergies.