![]() When the varices rupture, they cause profuse bleeding in the upper gastrointestinal tract, causing melena or coffee ground emesis (dark vomitus). ![]() These are varicosities or dilated veins on the esophagus as a result of portal hypertension (high blood pressure in the hepatic circulation) and liver cirrhosis. When the stomach is inflamed, it may lead to further irritation and cause bleeding. It can also result from other diseases such as bile reflux and pernicious anemia. ![]() This usually results from smoking and alcoholic beverage consumption. Gastritis is the inflammation of the gastric mucosa. These over-the-counter medications should be used cautiously to prevent ulcers. Moreover, prolonged use of non-steroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen, aspirin, naproxen, and mefenamic acid decrease the protective coating of the stomach lining, causing injury to the area. Ulcers can also result from physical, psychologica,l and emotional stress which increases the production of gastric acids that irritate and injure the stomach lining. This is usually caused by infection with the Helicobacter pylori bacteria. Peptic ulcer disease causes a sore or open wound in the stomach or duodenum. The following conditions cause black, tarry stools: Bleeding ulcer Bright red stools, on the other hand, signify fresh blood coming out from the lower gastrointestinal system. Melena refers to black, tarry stools which are caused by bleeding. During this process, the blood has already coagulated. ![]() On the one hand, stools are often black in color because the blood has traveled from the upper to the lower gastrointestinal tract until the waste matter has evacuated in the stools. Serious causes of black stool include internal bleeding in the upper gastrointestinal system (from the esophagus to the duodenum). This is not associated with bleeding inside the newborn and is resolved after all the blood has been eliminated. Intake of medications such as bismuth subsalicylate (pepto-bismol)įalse melena can also be seen in newborn infants who have swallowed maternal blood during delivery. Intake of iron as dietary supplement or part of of iron-deficiency anemia treatmentĤ. Generally, foods that are black, green, or dark blue in color may lead to dark orblack stools.ģ. ![]()
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