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 ...

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 ...

Possible causes of blood in stool include gastroenteritis, anal fissures, hemorrhoids, inflammatory bowel disease, and more. Treatment can depend on the underlying cause. Below, learn more about the ...

When most people think about bleeding, they imagine visible wounds and blood-stained bandages. However, internal bleeding poses a far more dangerous threat precisely because it often goes unnoticed ...

Noticing bloody or maroon-colored stool (poop) is alarming, and it may come on suddenly. The first step to determining the cause is thinking back on what you’ve recently had to eat. Reasons for bloody ...