Stomach flu

Sudden vomiting and diarrhea is usually viral gastroenteritis. A provider can order anti-nausea medication and a hydration plan online.

Also called: vomiting and diarrhea · stomach bug · viral gastroenteritis

Medically reviewed by Dr. Ikechukwu Ogbu, MD
MD · Board-Certified, Internal Medicine · Last reviewed June 2026

Common questions