Eat applesauce, grated, peeled apples or pears, oatmeal or oatbran, or potatoes. Apple flakes can also be added to cooked cereal. All of these contain soluble fiber that will act as a bulking agent. Avoid nuts, seeds, raw wheat bran or foods made with whole wheat. Drink caffeine-free beverages and foods made without chocolate.
Caffeine acts as a stimulant.
Eat high potassium foods like potatoes and bananas. Try metamucil or high fiber bran cereals to firm up watery stools. Ask your doctor to prescribe a medicine to control diarrhea. Only your doctor and dietitian can instruct you on this. Always ask for written directions about how to change or improve your diet.