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The presence of bright red blood in stool, known as hematochezia, typically indicates lower gastrointestinal bleeding. Digested blood from the upper gastrointestinal tract may appear black rather than red, resulting in "coffee ground" vomit or melena. [2] Other signs and symptoms include feeling tired, dizziness, and pale skin color. [18]
Blood in stool looks different depending on how early it enters the digestive tract—and thus how much digestive action it has been exposed to—and how much there is. The term can refer either to melena, with a black appearance, typically originating from upper gastrointestinal bleeding; or to hematochezia, with a red color, typically originating from lower gastrointestinal bleeding. [6]
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 ...
Eating beetroot can cause harmless red-colored feces because of insufficient metabolism of a red pigment, and is a differential sign that may be mistaken as hematochezia. Consumption of dragon fruit or blackberries may also cause red or black discoloration of the stool and sometimes the urine (pseudohematuria). This too, is a differential sign ...
Gastroenteritis, also known as infectious diarrhea, is an inflammation of the gastrointestinal tract including the stomach and intestine. [8] Symptoms may include diarrhea , vomiting , and abdominal pain . [ 1 ]
Gastroenterologists explain the most common causes of foul-smelling stool, like changes in gut bacteria, food allergies, celiac disease, IBD, and malabsorption. Smelly Poop Is NBD Unless You Have ...
Stool osmotic gap is a measurement of the difference in solute types between serum and feces, used to distinguish among different causes of diarrhea. Feces is normally in osmotic equilibrium with blood serum, which the human body maintains between 290–300 mOsm/kg. [ 1 ]
At baseline, diarrhea means having loose, watery stools. However, stress-induce diarrhea usually happens leading up to or surrounding a stressful event, Dr. Farhadi says.