Blood in stool may result from bleeding in the upper or lower GI tract — and the color of the blood can help indicate its source. Black, tarry stool Black, tarry stool may point to a bleed in ...

But darker blood in your stool can be deceiving. It doesn’t always mean the bleeding has stopped, only that it’s coming from someplace higher up. Bleeding in your upper GI tract takes longer ...

Over time, some polyps can become cancerous. Colon cancer may cause Trusted Source persistent changes in bowel habits, rectal bleeding, and blood in the stool.

One of the most alarming signs of gastrointestinal problems is rectal bleeding, or blood in the stool. There could be several interpretations behind it, but the most common causes are benign, and ...

4. You Have a Gastrointestinal Bleed In more serious cases, black stool can signal bleeding in the digestive tract. Doctors refer to this kind of black poop as melena, Johnson says, and it can ...

High Long-Term Risk for Recurrence After Acute Lower GI Bleeding Megan Brooks June 09, 2023 ...