Symptoms of Gastroenteritis The most common symptoms of gastroenteritis are diarrhea and vomiting. Other symptoms include fever, nauseousness, abdominal cramps and headache. Severe cases of gastro

What causes viral gastroenteritis? Many different viruses can cause gastroenteritis, including rotaviruses, noroviruses, adenoviruses, type 40 or 41, sapoviruses, and astroviruses. Viral gastroen