Dr. Bharat Pothuri here - I'm a board-certified gastroenterologist with 25+ years treating digestive conditions at GastroDoxs in Houston, and I've helped over 10,000 patients manage diarrhea and related GI issues. Nutrition is critical because what you eat directly impacts intestinal inflammation and bowel motility. I see patients who unknowingly worsen their symptoms by eating trigger foods, while proper nutrition can actually help restore normal digestive function and prevent dehydration. Fried foods are problematic because high fat content stimulates bile production and increases gut motility, literally speeding up transit time. The oils also irritate inflamed intestinal walls - I've seen patients extend their recovery by days just from eating fast food during acute episodes. The BRAT diet (bananas, rice, applesauce, toast) works because these foods are low-fiber and binding. Bananas replace lost potassium, while rice and toast provide gentle carbohydrates without irritating the gut. I also recommend bone broth for electrolytes and easy protein absorption. Gas-producing foods like beans, cruciferous vegetables, and carbonated drinks increase intestinal pressure and cramping. When you already have loose stools, the additional gas creates more urgency and discomfort - essentially making bathroom trips more frequent and uncomfortable. Smaller, frequent meals reduce digestive workload and prevent overwhelming an already irritated system. Large meals trigger stronger gastrocolic reflexes, which can worsen diarrhea episodes. I recommend eating every 2-3 hours rather than three large meals. Stay hydrated with electrolyte solutions, not just water. I've treated patients who developed dangerous electrolyte imbalances drinking only plain water during severe diarrhea episodes. Oral rehydration solutions or even diluted sports drinks help replace what you're losing.