melanotic stool Lecture 12: Melena, Hematochezia, Tenesmus, Dyschezia Flashcards What Causes Black or Tarry
What Causes Black or Tarry 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). Hematochezia vs. melena: What's the difference? UT MD Anderson Different stool colours can provide important clinical clues related to digestion, bleeding, liver disease, malabsorption, infection, or bowel inflammation. Disclaimer For educational purposes only. Not medical advice. Consult a qualified Melanosis Coli Digestive Disease Center of CNY
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