Hi there, i didnt wake up well, so im pretty sure i got the flu. but this whole day my stomach has also been upset and ive been having diarrhea. is it possible that the flu can give me diarrhea??

Yes: Yes, there are some viral infections that can include upper respiratory symptoms and GI symptoms. COVID 19 is an example. COVID 19 sx’s: dry cough, shortness of breath, chest tightness, nasal congestion, fever, headache, sore throat, feeling tired, loss of sense of taste/smell, decreased appetite, nausea, diarrhea, vomiting, chills & muscle aches.