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Capvaxive Side Effects

Generic name: pneumococcal 21-valent conjugate vaccine

Note: This document provides detailed information about Capvaxive Side Effects associated with pneumococcal 21-valent conjugate vaccine. Some dosage forms listed on this page may not apply specifically to the brand name Capvaxive.

Applies to pneumococcal 21-valent conjugate vaccine: intramuscular suspension.

Important warnings This medicine can cause some serious health issues

You should not receive this vaccine if you ever had a severe allergic reaction to a pneumococcal or diphtheria toxoid vaccine.

Get emergency medical help if you have signs of an allergic reaction: hives, difficult breathing, swelling of your face, lips, tongue, or throat.

Keep track of all side effects you have. If you ever need another pneumococcal 21-valent conjugate vaccine (the active ingredient contained in Capvaxive) you will need to tell the vaccination provider if the previous shot caused any side effects.

Becoming infected with pneumococcal disease is much more dangerous to your health than receiving this vaccine. However, like any medicine, this vaccine can cause side effects but the risk of serious side effects is low.

Common side effects may include:

Call your doctor if your these side effects do not improve after 3 days or if you have any unusual symptoms after the vaccine.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

For healthcare professionals

Applies to pneumococcal 21-valent conjugate vaccine: intramuscular suspension.

General adverse events

The most commonly reported side effects included injection site pain, fatigue, and headache.[Ref]

Local

In a clinical trial (n=56), injection site cellulitis occurred in 1 patient on Day 6 following vaccination and required hospitalization.[Ref]

Musculoskeletal

Nervous system

Other

Respiratory

In a clinical trial (n=56), bronchospasm occurred in 1 patient within 30 minutes of vaccination and required medical intervention.[Ref]

References

1. (2024) "Product Information. Capvaxive PF Prefilled Syringe (cvx 327) (pneumococcal 21-valent conjugate vaccine (cvx 327))." Merck Sharp & Dohme LLC

Frequently asked questions

Further information

Capvaxive side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.