What is Influenza (Flu)

Influenza, commonly known as the flu, is a respiratory illness caused by influenza viruses. It can be mild to severe and, in some cases, can lead to serious complications.

Common Clinical Presentation

  • Fever: Often high

  • Cough: Usually dry

  • Sore Throat: Common

  • Runny or Stuffy Nose: Frequent

  • Muscle or Body Aches: Can be severe

  • Headaches: Often prominent

  • Some may have vomiting and diarrhea: More common in children than adults

Antiviral Medications

Best if started within the first 48 hours of symptom onset to reduce severity and duration.

Rest

Important for recovery.

Fluids

Essential to prevent dehydration, especially if fever is present.

Pain Relievers

Acetaminophen or ibuprofen can help with fevers, aches, and pains.

Stay Home

Avoid going to work or school to prevent spreading the virus.

You should know

Annual vaccination is recommended as the best defense against the flu. High-risk individuals (young children, elderly, pregnant women, and those with chronic health conditions) should seek medical advice early to avoid complications. If symptoms worsen or do not improve within a week, or if there is difficulty breathing, persistent pain or pressure in the chest, confusion, or persistent vomiting, immediate medical attention is required.

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