Diarrhea is defined as having three or more loose, watery stools a day. It’s unpleasant and can also be dangerous if left untreated. So if you have it, it’s a good bet you’ll want to get rid of it as quickly as possible.
“The thing we worry about most is dehydration,” says Lisa Ganjhu, DO, a gastroenterologist at NYU Langone Health in New York City. Signs of dehydration include: