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Flu (Influenza)

What is Flu (Influenza)?

  • Influenza (flu) is a contagious respiratory illness.
  • Affects nose, throat, and lungs.
  • Caused by influenza viruses.
  • Can range from mild to severe illness.

Symptoms of Flu (Influenza)

  • Fever and chills
  • Cough
  • Sore throat
  • Runny or stuffy nose
  • Muscle aches (body pain)
  • Headache
  • Extreme fatigue
  • Sweating

Causes of Flu (Influenza)

  • Caused by influenza viruses.
  • Spread through respiratory droplets.
  • Enters body via nose, mouth, or eyes.

How It Spreads

  • Coughing, sneezing, talking
  • Close contact with infected person
  • Touching contaminated surfaces

Complications of Flu (Influenza)

  • Pneumonia
  • Sinus and ear infections
  • Worsening of chronic diseases
  • Severe cases: hospitalization or death

Treatment of Flu (Influenza)

  • Rest and hydration
  • Antiviral medications
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