Hi.. Welcome to healthcare magic. As you mentioned you have problem of abdominal bloting problem and pain... More fatty food consuption, stress also lead to abdominal bloting problem. Ulcer also cause pain at abdominal area. Intestinal infection may ruled out. Consult a gastroenterologist for further diagnosis. You have colitis problem also... Avoid dairy product.. Take a low fatty foods.. Avoid gaseous foods like cabbage ,cauliflower, nuts, corn, seed... Avoid stress.. Eat small amount of meal and chew properly. Multivitamin supplement may help.. Consult a gastroenterologist for further diagnosis. Get well soon.. Thank you.