Stabbing pain in abdomen

For the past 2 days I’ve been having this stabbing/cramping pain in my abdomen and literally everything is making my stomach hurt. Pretty much every food and drink aside from water is making my stomach hurt.

I don’t have a fever and I’m not nauseous but I have diarrhea every time I eat or drink something

My stomach was fine for like 30 minutes so I took a sip of Gatorade to see how long it would take for my stomach to start cramping and it literally took 1 minutes to start cramping and 4 minutes till I got diarrhea

What the shit!!! (Literally)

I’ve been taking pepto bismol but it’s not helping