Melena (black stool) is a symptom of internal bleeding, usually in your upper gastrointestinal (GI) tract. The blood turns black as it travels through your digestive system before coming out in …

Mar 4, 2025 · Melena refers to black stools that occur as a result of gastrointestinal bleeding. This bleeding typically originates from the upper gastrointestinal (GI) tract, which includes the …

Apr 6, 2025 · Melena is blood in your bowel movements. This is caused by bleeding in your upper gastrointestinal (GI) system or large bowel. Your bowel movements may be black or tarry, and …

Feb 7, 2025 · Hematochezia and melena are two terms that describe different ways blood can appear in your stool. Hematochezia is bright red blood that generally starts lower in the …

Melena is a form of blood in stool which refers to the dark black, tarry feces that are commonly associated with upper gastrointestinal bleeding. [1] The black color and characteristic strong …

Mar 27, 2018 · Gastrointestinal (GI) bleeding is usually categorized as either melena or hematochezia. Melena refers to black stools, while hematochezia refers to fresh, red blood in …

Apr 1, 2024 · Melena is when blood causes stools to appear black, tarry, and foul-smelling. The blood is dark because it is coming from somewhere in the upper digestive system, including …

Melena is the passage of black, tarry stools. Hematochezia is the passage of fresh blood per anus, usually in or with stools. Hematemesis is the vomiting of blood, which may be obviously …

Nov 30, 2022 · Melaena refers to a black tarry stool, which occurs as a result of upper gastrointestinal bleeding. Only 50mL of blood is needed to turn the stool black (a by-product of …

Definition of Melena: Melena is black, tarry stools indicating GI bleeding. Common Causes: Peptic ulcers and gastritis are frequent causes of melena. Symptoms to Watch: Abdominal pain and …