Eat a BRAT Diet. The BRAT diet is the gold standard food plan for easing digestive distress. It is comprised of four bland, low-fiber foods that will help to firm up stools: bananas, rice, applesauce, and toast. Bananas are especially useful as they help restore any potassium lost through diarrhea.In most cases, diarrhea can be treated at home and it will resolve itself in a few days. Drink plenty of fluids, and follow the "BRAT" diet (bananas, rice, applesauce, and toast) to help ease symptoms. Take care to ensure infants and children stay hydrated. Electrolyte solutions such as Pedialyte can be helpful.They occur when you pass liquid instead of formed stool. Liquid bowel movements are usually caused by a short-term illness, such as food poisoning or a virus. ... Because liquid stool can result in excess water losses from the body, it's important drink more water when you have diarrhea to prevent severe side effects.