


loose, watery diarrhea more than 3 times per dayĭiarrhea caused by viral gastroenteritis isn’t usually bloody.Symptoms often start suddenly over the course of 1 or 2 hours.

Symptoms from adenoviruses may be delayed 3 to 10 days after contact.ĭepending on which type of virus you’ve contracted, symptoms can last anywhere from 1 to 14 days. For example, symptoms caused by norovirus typically develop within 12 to 48 hours. Symptoms of gastroenteritis usually begin shortly after infection. What are the symptoms of viral gastroenteritis?
