Try to eat smaller and more frequent meals if you have gastritis . To ease gastritis symptoms, consider: High-fibre food , such as whole grains, fruits, vegetables, and beans Low-fat food , such as fish, lean meats, and vegetables Less acidic food , such as vegetables and beans Probiotic food , such as kombucha, yoghurt, kimchi and sauerkraut Non-carbonated drinks Caffeine-free drinks What to avoid during gastritis Avoid foods and drinks that may irritate your stomach and worsen your symptoms, such as: Alcohol Caffeine Fried food Spicy food Sweet and sugary food or drinks Acidic food or drinks , such as orange juice and tomato juice Refined carbohydrates , such as white bread and pasta Processed meats , such as bacon, ham and hot dogs