Learn how stool appearance can signal colon cancer. Recognize signs like ribbon-like and pebble-shaped stools, and understand ...

Both conditions involve symptoms of gastrointestinal bleeding, though a major difference is that hematochezia often presents as bright red blood in the stool, while melena appears as black, tarry ...

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 ...

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 ...