<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, Ive been having blood in my stool and upper abdominal pain. Ive also been having burning pain in my abdomen and constipation. What could be wrong with me?  <response>: Based on your symptoms, its possible that you may be experiencing diverticulosis, which is when small pouches develop in the lining of the large intestine and become inflamed or infected. Its important to schedule an appointment for further testing and diagnosis. 