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Side Effects

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Answers
  1. What side effects are considered normal after getting an immunization?
    In general, mild side effects are common and go away on their own. They can include a low grade fever (usually lasting less than 24 hours), and soreness, redness, or slight swelling where the injection was given. Contact your health care provider if your side effects are severe, last longer than one week, or if you have concerns. For more information, please see our Adverse Reactions page or contact the IHB.