Worried need answers!!

Sarah • 30, SO and I have 8 1/2yr old boy, 6yr old girl and 4yr old boy and expecting another baby 🥰
Evertime I finish eating I have to rush to the toilet n poop. I can't eat without having diarrhea. My stomach hurts all day cuz Im to bloated gasy n constipated and very crampy I have to curl into a ball. And all day i feel that churning in ur stomach wen u kno u bout to have diarrhea. Its been like this for a week now and it sucks! Idk wat to do to get ride of it? Should I be worried?