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    When should I see a doctor about the flu?

    Answer by:
    WebMD Expert


     

    If your symptoms aren't getting better after a week or if you have fever for more than 3 days, see your doctor.

    Also, these symptoms are signs that flu may have developed into something serious like pneumonia. See a doctor if you have any of these symptoms:

    • Hard to breathe
    • Fever that lasts
    • Persistent vomiting or can't keep fluids down
    • Cough, congestion, and headaches that won't go away
    • Severe dizziness

    Is it a cold or the flu?

    Test your knowledge.

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