What side effects may I notice from receiving Prevnar 20?

Side effects that you should report to your doctor or health care professional as soon as possible:

-allergic reactions (skin rash, itching or hives; swelling of the face, lips, or tongue)
-confusion
-fast, irregular heartbeat
-fever over 102 degrees F
-muscle weakness
-seizures
-trouble breathing
-unusual bruising or bleeding
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

-fever of 102 degrees F or less
-headache
-joint pain
-muscle cramps, pain
-pain, tender at site where injected

This list may not describe all possible side effects for Prevnar 20. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.