Stomach virus vs. flu: What is the difference? - Medical News Today
Stomach flu is an infection of the stomach and intestines, whereas influenza (flu) is a respiratory infection of the throat, nose, and sometimes lungs. Stomach flu is typically due to a virus, but it can also be the result of bacteria. The condition is different from food poisoning and can cause abdominal pain, vomiting, and diarrhea. Influenza infections cause flu symptoms that include a sore throat, runny nose, and body aches. Keep reading to learn more about the similarities and differences between stomach flu and influenza. Stomach flu is an infection in the intestines and stomach. Doctors refer to it as viral gastroenteritis . It can cause diarrhea, abdominal cramping, and nausea or vomiting. Although some people may refer to viral gastroenteritis as stomach flu, the viruses that cause influenza are different from those causing gastroenteritis. People may develop stomach flu symptoms rapidly, but they typically last less than a week . Influenza is a respiratory viral infection th...