Nobody likes getting sick, but the stomach flu delivers its own brutal mix of symptoms. When it hits, it can quickly render you nonfunctional and utterly miserable. And what could be worse than a stomach bug? The vomiting, diarrhea, stomach cramps, and more. Despite the fact that it’s so common—there are at least 20 million stomach-flu cases in the US each year—many people don’t know much about it. For one, it’s not really the flu!
Check out the things you need to know about viral gastroenteritis (its true medical name), starting with the fact that it’s caused by viruses that attack the stomach and intestines.