Stomach Flu Symptoms 2024 Nhs. The most common symptoms of norovirus are diarrhea, vomiting, stomach pain, and nausea. The main symptoms of gastroenteritis are:
The actual name for the stomach flu is gastroenteritis. Viral gastroenteritis is an intestinal infection that includes signs and symptoms such as watery diarrhea, stomach cramps, nausea or vomiting, and.