“The gastrocolic reflex is a physiological reflex that stimulates movement in your lower gastrointestinal (GI) tract after eating.“It isn’t a disease or medical condition, but rather a normal reflex that helps your body make room for more food within your GI tract afte eating.” Dr Salhab breaks it down further,
explaining ‘your stomach stretches and then this sends signals to your brain which then sends signals to your colon’.“Your colon then begins to contract to make more room for the food, that reflexmakes you have to use the restroom right after you eat,” he continues. “Becauseyour colon normally houses stool and water, the stuff that’s actually coming outis old digested food and water.” People diagnosed with irritable bowel syndrome
