When most people think of the flu, they picture fever, chills, cough, and body aches. These are the hallmark signs of influenza, a respiratory illness that sweeps through communities every year. But what about digestive problems like diarrhea, nausea, or stomach cramps? Many people are surprised to learn that the flu can sometimes trigger gastrointestinal (GI) symptoms, though it’s not as common as respiratory ones. Understanding whether diarrhea is connected to the flu or ...