Black poop can be harmless, caused by certain foods or medications, or it can be a sign of melena, meaning there’s blood in your stool. Melena happens when bleeding occurs in the upper digestive tract ...

Sudden black, tar-like stools, medically termed melena, often signal internal bleeding in the stomach or upper intestine, according to a 2021 study. While some foods or supplements can cause temporary ...

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 ...

Causes of black stool: Consuming certain dark foods, such as black licorice, blueberries, or foods with deep colouring, can temporarily darken stool (Images: Canva) A jet‑black, sticky stool that has ...