April 2025 Stomach Bug Symptoms. The most common symptoms of norovirus are diarrhea, vomiting, stomach pain, and nausea. Also known as the stomach flu or bug, norovirus often triggers painful gastrointestinal symptoms as well as fever, aches and headaches within days of exposure.
According to the oklahoma state department of health, symptoms of the norovirus can last one to three days and include: The most common symptoms of norovirus are diarrhea, vomiting, stomach pain, and nausea.