<human>: hello, please my friend has a stomach upset, anytime he gets hungry and doesnt eat anything he feels a sharp pain in his abdominal wall, and anytime he eats, he tends to defecate. Please what are the cause for this ailment and possibly treatment? Thanks
<bot>: Hi. Thanks for your query and an elucidated history for your friend. The history is very typical of IBS- Irritable bowel syn Chat Doctor.  This cripples him / her socially too As a precaution the following tests are done:Investigations:*Routine blood investigations like Complete blood picture, blood sugar, urea, creatinine, liver function tests, thyroid function tests.*Urine -routine and microscopy*Stool: routine, microscopy, occult blood, culture and sensitivity.*Ultrasonography of abdomen, *Colonoscopy All these investigations should be within normal limits for one to say you have IBS. Get an opinion of a Gastroenterologist and get started with proper treatment and your friend will be fine.