Flu vs Stomach Flu

Many people may mistake stomach flu for flu (influenza). But they are not the same. Here are the differences between them:


  • Flu: Flu is a contagious respiratory illness caused by a variety of viruses.
  • Stomach flu: Stomach flu, the nickname for viral gastroenteritis, is a contagious digestive disease caused by certain viruses.

Signs and Symptoms:

  • Flu: fever, headaches, muscle aches, soreness, weakness etc.
  • Stomach Flu: abdominal pain, diarrhea, nausea, vomiting etc.


  • Flu: influenza viruses.
  • Stomach flu: certain viruses. The most common ones are norovirus and rotavirus.


  • Flu: There are many medicines for flu symptoms, but you should check with your doctor and pharmacist about interactions and side effects.
  • Stomach flu: There are no effective ways to treat stomach flu, so prevention and self-care are the most important.
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