Tumors in the GI tract often cause occult (hidden) bleeding, but they can also cause more visible bleeding. Visible bleeding can include bloody stools or stools mixed with blood that appears ...

Medically reviewed by Kumkum S. Patel, MD Noticing black stool can be alarming, but the cause isn’t always serious. Sometimes ...

It can even affect one part of the GI tract ... know if you notice blood in your stool or if you’re experiencing symptoms of anemia, which may indicate bleeding elsewhere in the digestive ...

A person’s poop may be black due to eating certain foods, such as licorice, taking iron supplements, or gastrointestinal bleeding. If people have blood in the stool, they may benefit from ...