The Different Types of Hepatitis A and B Immunizations

2. Possible Side Effects Of Vaccines

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Possible side effects of the hepatitis B recombinant vaccine may include irritability, pain at the injection site, flu-like symptoms, diarrhea, weakness, dizziness, fainting, lightheadedness, visual changes, and seizures. The hepatitis A vaccine has been associated with a fast heartbeat, fever, hives, hoarseness, paleness, behavioral problems, trouble breathing, and dizziness. Minor symptoms such as a headache and fatigue may last for one or two days after the injection. Speak with a doctor if symptoms persist for longer than two weeks.

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