My receptionist Mandy came scurrying into the office: “Doctor, Mrs. Ferris is on the phone and she says she needs to bring her mother in right now because of a blue stool.” Sometimes I’m a little slow ...

There isn’t a one-size-fits-all answer for how often you should poop, but when it comes to what color your stool should be, expert consensus is much narrower. And deviations from it can be a cause for ...

Melena appears as black, sticky, foul smelling stool and often signals upper GI bleeding Study shows most pediatric melena cases stem from upper gut ulcers, mainly duodenal Even 50–100 mL of blood in ...