what causes melanotic stools black stool? What does it indicate? Black Stool Sign: 7 Serious

Black Stool Sign: 7 Serious Health Conditions That Can Cause Black Coloured Poop What Causes Black Colored Stool? Black stool, or melena, can result from: Dietary Factors: Foods like black licorice, blueberries, or iron supplements. GI Bleeding: Upper gastrointestinal bleeding (e.g., ulcers, gastritis, or esophageal varices). The Quantity of Blood Required to Produce a Tarry Stool. How much? Melena, characterized by black tarry stools, can occur with as little as 50 cc of blood in the stomach. How Melena: What Is It, Causes, Symptoms, Bleeding, Treatment, and More Osmosis

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