Melena (Black Stool): Causes Treatment - Cleveland Clinic What causes melena (black stool)? Melena comes from bleeding in your upper GI tract — usually your stomach or the upper part of your small intestine (duodenum) It could also be from your lower esophagus if you swallowed the blood
5 Causes of Black Poop and When To Seek Care - Health Bleeding in the gastrointestinal tract and colon cancer can cause black poop (also known as melena) But black stool doesn't always mean there is an underlying health concern
Stool color: When to worry - Mayo Clinic As bile travels through your digestive tract, it is chemically altered by enzymes, changing the colors from green to brown Ask a healthcare professional if you're concerned about your stool color If your stool is bright red or black — which may indicate the presence of blood — seek medical attention right away
Why Is My Poop Black? Causes and When to Worry - Verywell Health Normal stool ranges from brown to greenish-brown, and dark brown is usually harmless However, black, red, or tarry stool warrants medical attention Black flecks or spots in otherwise normal stool have the same causes as fully black stool—harmless foods or a small amount of melena
Lower gastrointestinal bleeding in the elderly - PMC Melena is the passage of black, tarry, foul-smelling stools as a result of degradation of blood to hematin The source of melena is most often from the upper GI tract However, it may also be from the small intestine or the right colon Hematochezia is the passage of bright red blood per rectum, with or without stool
Why Is My Poop Black? Dark Stool Causes and Treatments - Healthgrades Causes of black, dark, or tar-like poop (dark stool) include eating certain foods and taking certain medications Dark stool can also occur due to medical conditions that cause bleeding and inflammation in your digestive tract Sometimes certain foods and medications can affect the color of your poop
Why Is My Poop Black? | 5 Causes of Black Stool | Buoy - Buoy Health Black stool may be from dark foods and drinks (beets and dark beer), supplements like iron, or a sign of bleeding in the upper GI tract If stool is black and has a bad odor, it is likely a sign of bleeding, from a peptic ulcer, gastritis, inflammation, colon polyps, or colon cancer