Is it common to have had the flu for 5 days with nausea and diarrhea?

While flu symptoms can vary, experiencing nausea and diarrhea for five days is less typical, as the flu usually presents with respiratory symptoms like fever, cough, and body aches. Gastrointestinal symptoms can occur, especially in children, but they are not the main features of influenza. If symptoms persist or worsen, it's advisable to consult a healthcare professional to rule out other infections or complications.