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Bacterial infections that cause bloody diarrhea are typically classified as being either invasive or toxogenic. Invasive species cause damage directly by invading into the mucosa. The toxogenic species do not invade, but cause cellular damage by secreting toxins, resulting in bloody diarrhea.
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 may include lethargy, loss of weight, colonic ulcerations, abdominal pain, diarrhea, or bloody diarrhea. [5] [2] Complications can include inflammation and ulceration of the colon with tissue death or perforation, which may result in peritonitis. [2] Anemia may develop due to prolonged gastric bleeding. [2]
When someone sees blood in their stool, their mind often jumps to colon cancer, but the first sign of colon cancer is usually anemia, Dr. Swaminath says. Colon cancers can cause bleeding and a ...
The three types of diarrhea are: short duration watery diarrhea, short duration bloody diarrhea, and persistent diarrhea (lasting more than two weeks, which can be either watery or bloody). [2] The short duration watery diarrhea may be due to cholera, although this is rare in the developed world. [2]
“The severe kinds of diarrhea that come from E. coli can often start with a loose stool, a watery kind of diarrhea, but it will occasionally then progress to bloody diarrhea.”
Shigellosis (Historically the disease usually referred to as Dysentery) is an infection of the intestines caused by Shigella bacteria. [1] [3] Symptoms generally start one to two days after exposure and include diarrhea, fever, abdominal pain, and feeling the need to pass stools even when the bowels are empty. [1]
Simply, there's a drop in the blood supply that feeds the gut, causing symptoms such as pain and bloody diarrhea. What is ischemic colitis? Ischemic colitis is kind of like a stroke or heart ...
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