Food items that trigger irritable bowel syndrome vary from individual to individual, some of the common food items that causes irritable bowel syndrome includes; Red meat, dairy and poultry items and Eggs. Out of these; eggs is one of the most common sources that lead to trigger the IBS syndrome. Egg white does not cause any harm, instead; it is a very good source of healthy protein. Egg yolk is also very nutritious with high protein but it also contains a lot of fat. This makes it difficult to digest and can also cause constipation.