Jul 10, 2023 · Stomach flu is actually viral gastroenteritis, a viral infection in your digestive system. It causes gastrointestinal symptoms, like stomach pain, diarrhea, nausea and vomiting.

Apr 30, 2025 · The most common way to develop viral gastroenteritis — often called stomach flu — is through contact with an infected person or by consuming contaminated food or water. If you're …

Oct 17, 2024 · The stomach flu or viral gastroenteritis may last a few days or week. Here are the stages of stomach bugs and how to get well.

Jun 24, 2025 · It’s usually caused by a virus, but it’s not the flu virus, so it’s not actually stomach flu. Bacteria and parasites also can cause it. Gastroenteritis causes diarrhea, nausea, and possibly...

Oct 15, 2025 · Viral gastroenteritis, commonly known as the stomach flu or a stomach bug, is a highly contagious illness that causes vomiting, diarrhea, abdominal pain, and weakness, among other …

Feb 9, 2026 · Norovirus—often called the “stomach flu,” though unrelated to influenza—surges in colder months and is among the most contagious viruses. Causing sudden, intense vomiting and diarrhea, …

The flu is a respiratory illness caused by variations of the influenza virus, while norovirus is a different virus that causes gastroenteritis, an inflammation of the stomach or intestines, the ...