You've tried to eat better? Better how? Describe your meals. I would like you to keep a journel of the foods you want to eat, the foods you do eat and what you avoid or dislike on a daily basis. What's the first thing you crave in the morning...then what do you eat....do you smell bacon and get disgusted? What foods turn you off? What you crave, what you eat and what you avoid are all pieces of the puzzle that describe your over all health.
Laxatives are not going to help your problem.
No I don't think that you have ileocecal syndrome, the doctor should have caught that. If you believe that you have this then you should see a doctor to confirm it. Ileocecal syndrome is sysytemic failure on the digestive site. It's a failure of the enzymes to digest the food and trigger the digestive activilites.
I would suggest that you have a doctor run tests on you to confirm or dismiss all the possible diseases and conditions that you think you may have. This way you can rule out all the serious and potentially dangerous situations. If you have none then you can start the regime that I recommended to you to begin with. :)
Are you taking any herbs or have you cleansed recently? Are you having normal bowel movements? What are all your symptoms. I am trying to help you the best I can... Lets start out with your diet and work from there, in the mean time you get all the testing done through your doctor and see what he/she says.