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 ...
Melena appears as black, sticky, foul smelling stool and often signals upper GI bleeding Study shows most pediatric melena cases stem from upper gut ulcers, mainly duodenal Even 50–100 mL of blood in ...
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 ...
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