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Stomach cancer. 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 odor are caused by hemoglobin in the blood being altered by digestive enzymes and intestinal bacteria. [2]
Cecotrope. Cecotropes (also caecotropes, cecotrophs, cecal pellets, soft feces, or night feces) are a nutrient filled package created in the gastointestinal (GI) tract, expelled and eaten by rabbits and guinea pigs (among other animals) to get more nutrition out of their food. The first time through the GI tract, small particles of fiber are ...
Defecation. Human anatomy of the anorecturm (anus and rectum) Defecation (or defaecation) follows digestion, and is a necessary process by which organisms eliminate a solid, semisolid, or liquid waste material known as feces from the digestive tract via the anus or cloaca. The act has a variety of names ranging from the common, like pooping or ...
Gastrointestinal bleeding. Gastrointestinal bleeding (GI bleed), also called gastrointestinal hemorrhage (GIB), is all forms of bleeding in the gastrointestinal tract, from the mouth to the rectum. [9] When there is significant blood loss over a short time, symptoms may include vomiting red blood, vomiting black blood, bloody stool, or black ...
When bilirubin and bile are secreted in the small intestine during digestion, they ultimately turn the poop brown. This physiological process is also the reason why green is the second most common ...
Infection. An infection that affects your gut and triggers diarrhea can also cause green stool. “If you have an infection from bacteria like salmonella, E. coli, or C. diff; viruses; or ...
Iron poisoning typically occurs from ingestion of excess iron that results in acute toxicity. Mild symptoms which occur within hours include vomiting, diarrhea, abdominal pain, and drowsiness. [1] In more severe cases, symptoms can include tachypnea, low blood pressure, seizures, or coma. [2] If left untreated, acute iron poisoning can lead to ...
Symptoms include diarrhea, abdominal pain, gas, bloating, and mucous or blood in stool. It’s often diagnosed via a colonoscopy or other test, and treatments include anti-inflammatory or steroid ...