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Prevnar 20 side effects

Description of common and rare side effects associated with the Prevnar 20 vaccine, including local reactions and systemic symptoms in adults and children.

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Jan 29, 2026
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What are common immediate side effects after a Prevnar 20 booster in adults and children?

most commonly causes local reactions—pain, swelling, and redness at the injection site—and short-lived systemic symptoms such as fatigue, muscle aches, headache and fever in adults, and irritability, ...