When you can tolerate food, stick to small meals at first to avoid
overloading your digestive system. Avoid
, as well as spicy and fatty foods, as they may cause irritation, says MayoClinic.com. Avoid other irritating substances as well, including caffeine, alcohol and nicotine. Instead, choose bland foods, such as rice, applesauce, toast and bananas at first, then add vegetables, yogurt, and other fruits and starches. When you feel well enough, resume your regular diet.