Seasonal Influenza Vaccination
Symptoms & Treatment

Symptoms and Signs:

  •  Sudden onset of high temperature  (fever  might not affect all patients).
  • Cough (usually dry).
  • Sore throat and runny or blocked nose.
  • Severe headache.
  • Muscle and joint pain, severe malaise.
  • Fatigue and tiredness.
  • Vomiting and diarrhea in some patients, especially  children
  • Most people recover from fever and the other symptoms within a week with no need for medical intervention, yet influenza can develop severe symptoms, and in some cases lead to death, especially in people at high risk.

Influenza Treatment:

  • Antiviral drugs for influenza are available and effective in prophylaxis and treatment. There are 2 groups of such medicines:
    • Adamantanes (amantadine and rimantadine)
    • Neuraminidase inhibitors (oseltamivir and zanamivir)


  • Some influenza viruses may develop resistance to the antivirals, limiting the effectiveness of treatment. WHO monitors the effectiveness of the common anti-influenza drugs on the influenza viruses.


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Last Update 05 July 2015 01:49 PM
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