Can you feel sick for more than four days the flu vaccine? I got the flu vaccine on Monday, and since then, they've been finding myself 4 days and bad headaches, fatigue and dizziness.

  • 1 Answer
  • Dr. Doctuo

    Normally the flu vaccine causes no symptoms other than a sore arm. Your immune system is your body efforts to immunize against influenza virus ... if you have a fever could be wrong. It is also likely that there simply sickened by an outside agency.

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