Beware Of These Foods.   Crohn's and Colitis patients usually  have problems with certain ingredients in foods,  These are some  of the ingredients that can cause some discomfort especially during flare-ups and should be avoided.  Many of these foods  and food elements (such as spices) are hidden in a lot of popular products.  Food:   • Coffee   • Chocolate   • Cocoa   • Cooked and Raw vegetables (includes salads, corn, popcorn, onions, veggies for flavoring, etc.)   • Nuts and seeds   • Diet beverages (Nutrasweet)   • Processed meats such as hot dogs, sausages, etc.   • Dairy products such as milk, cheese, butter, margarine, ice cream, etc.   • Gravies   • Canned soups   • All fruits except bananas, applesauce, canned peaches, and pears.   Basic Elements of Food:   • Spicy foods   • Alcohol   • Stringy meats   • MSG   • Saccharin   • Nutrasweet   • Pickling   • Charcoal broiling   • Fried foods    Foods that contains a lots of sugar should be avoided too.     -Adapted from Teens with Crohn’s Disease Website.