What are the side effects of Havrix?

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In rare cases, Havrix may cause a severe allergic reaction that leads to difficulty breathing, swelling in the face or throat, unusual hoarseness and hives. If you develop these symptoms after getting a Havrix injection, get medical attention right away and do not get your second, or "booster," shot. Other serious side effects of Havrix may include:

  • irregular heartbeat
  • changes in behavior
  • unusual bruising or bleeding
  • high fever
  • seizures

Havrix may cause less severe side effects, including:

  • mild fever
  • tiredness
  • headaches
  • loss of appetite
  • nausea
  • redness or swelling at the injection site

Other side effects may be possible, so talk to your doctor if any new or unusual symptoms develop after getting a Havrix injection.

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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.