<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi, I am 31 year old male, working in a consulting firm in Kolkata. I am suffering from a strange stomach problem. I always feel filled, dont have natural hunger or even thirst. I do go to gym, eat healthy non spicy and light. Though I am not suffering from constipation but neither do I feel fresh. There is a constant swelling in my belly, whatever I eat or exercise. Kindly help.  <response>: HI. Thanks for your query and an elucidated history. Your history is classical, and you need the following investigations to start with :Investigations:Routine blood investigations like Complete blood picture, blood sugar, urea, creatinine, liver function tests, thyroid function tests.Urine -routine and microscopyStool: routine, microscopy, occult blood, culture and sensitivity.Ultrasonography of abdomen, Colonoscopy All these investigations may help us find the diagnosis and get an appropriate treatment 