Norovirus symptoms

Norovirus causes sudden, forceful vomiting and diarrhea lasting 1–3 days. A provider can prescribe anti-nausea medication and monitor hydration online.

Also called: stomach virus · norovirus outbreak · vomiting bug

Medically reviewed by Dr. Ikechukwu Ogbu, MD
MD · Board-Certified, Internal Medicine · Last reviewed

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Seek urgent care or the ER if you have:

  • Symptoms that are sudden, severe, or rapidly worsening
  • High fever (over 103°F / 39.4°C) that doesn't respond to treatment
  • Chest pain, trouble breathing, fainting, or confusion
  • Signs of dehydration — dizziness, dark urine, unable to keep fluids down
  • Symptoms in someone who is pregnant, immunocompromised, or over 65

What norovirus symptoms could be

The most common causes a clinician considers. This isn't a diagnosis — it's the differential a provider works through with you.

Gastroenteritis / stomach flu

Gastroenteritis / stomach flu is one of the more common causes of norovirus symptoms. Ondoc can evaluate it online.

Nausea and vomiting

Nausea and vomiting is one of the more common causes of norovirus symptoms. Ondoc can evaluate it online.

Dr. Ikechukwu Ogbu, MD — Medical Director
Dr. Ikechukwu Ogbu, MD

Board-Certified · Internal Medicine · Medical Director

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