Blue is far from the usual stool color, but it isn’t usually a cause for concern. Most of the time, blue stool is due to blue pigments or dyes that come out when your food is digested. If you take a ...

A sudden change to black, tar‑like stool, known as Melena, may signal bleeding somewhere in the upper digestive tract. While diet, supplements or medications sometimes explain the change, persistent ...

Eating certain foods can cause a person to have blue poop. People should be aware of their stool and seek medical care if there are any major changes. People can pass blue stools if they consume food ...

Study shows most pediatric melena cases stem from upper gut ulcers, mainly //duodenal * Even 50-100 mL of blood in the stomach can turn stool black . Suddenly finding that your ...