melanotic stool 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) Black Stool: A Warning Sign
Black Stool: A Warning Sign for Your Health? Stool (Poop) Color: Guide, What It Indicates, Healthy Color The science of stool color + when it might be a sign for concern Black or Tarry Stools UF Health
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