Intestinal Flu Symptoms 2024. If you develop bloody diarrhea, you can’t keep enough fluids down to make some urine, or your symptoms last longer than three days, it’s time to seek medical care. Also known as the stomach flu or bug, norovirus often triggers painful gastrointestinal symptoms as well as fever, aches and headaches within days of.
According to the oklahoma state department of health, symptoms of the norovirus can last one to three days and include: Your doctor will likely diagnose viral gastroenteritis (stomach flu) based on symptoms, a physical exam and sometimes on the presence of similar cases in your.