What are the side effects of the pneumococcal vaccine?

The pneumococcal vaccine might cause mild or severe side effects. The milder ones do not require immediate medical attention. Mild side effects of pneymococcal vacccine include unusual weakness or tiredness, headaches, loss of appetite, irritability, diarrhea, skin rash, swollen glands, and fever of 102 degrees F or higher.
Severe side effects require immediate medical attention and include difficulty breathing or swallowing; reddening of the skin around the ears; hives; swelling of the eyes, face, or inside of the nose; and itching, especially of the feet or hands. You could also experience seizures, unusual bleeding, and muscle weakness.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.