Hematochezia vs melena: Comparing symptoms, causes, and treatment What is the difference between tarry stools and black stools in terms of gastrointestinal (GI) bleeding? What does your poop colour indicate? Pay attention. There's a lot to be learned by the colour and consistency of your stools, as well as the frequency and how easily passed giftdistribution.blogg.se Gi bleed black stool Black or Tarry Stools UF Health