melenic vs melanotic stool Melena: What Black, Tarry-Stool Means & When It's An Emergency Stool changes | healthdirect

Stool changes healthdirect The Rectal Bleeding Rainbow What causes black stool? What does it indicate? GASTROINTESTINAL HEMORRHAGE (2): Melena. Melena, the passage of black, tarry stools, usually implies blood loss greater than 500 ml originating anywhere between the oropharynx and the right hemicolon. Melena occurs most often Your stool can reveal important clues about what's happening inside your digestive system. While brown is generally considered normal, colors like black, bright red, pale, or persistent yellow may signal underlying conditions

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