I been sick since this pass thursday, with bloating in the belly and excessive burping and i dont have an appetite. ?

Good question but...: ...bloating and burping may reflect malabsorption of food (like gluten, lactose), intake of poorly digested food, or choosing foods known to promote gas (beans, fizzy drinks), a stomach emptying too slowly, bacterial overgrowth syndrome, delayed intestinal function, partial obstruction from any cause, infection, rectum problems, and pelvic pathology outside the gut. Time for exam please.