blood in stool

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blood in stool

The presence of visible or clinically detectable hemoglobin in feces. Bright red blood in stool is known as hematochezia. It may be produced by anorectal disorders, such as hemorrhoids, or by bleeding from diverticuli, cancers, some forms of dysentery, or angiodysplasia of the bowel (among other causes). It sometimes results from massive bleeding from the upper gastrointestinal tract.
hematochezia; hematemesis; melena
References in periodicals archive ?
The g-FOBT can reduce deaths from colorectal cancer, but it can't tell the origin of blood in the stool or if the blood is from colorectal cancer or polyps.
Some common manifestations of infectious colitis include acute onset of fever, nausea, cramps, or abdominal pain (extreme irritability or fussiness in infants), multiple diarrheal stools in a day, and in some cases, blood in the stool (Piccoli, 2012).
Invisible ("occult") blood in the stool is fairly common post-race, but this is also a symptom of colon cancer.
The phone calls also offered patients an in-home kit to detect blood in the stool.
The following conditions were evaluated: duration of illness, cramps, vomiting, nausea, blood in the stool, headache, respiratory symptoms (coughing, sneezing, sore throat), fever, body aches, loss of appetite, and stiff neck.
If you see darker, more tar-like blood in the stool, it may be a sign of problems farther up the intestinal tract, such as stomach ulcers.
Fecal testing, which searches for traces of blood in the stool, has a history as a diagnostic tool for colorectal cancer.
The doctor may ask a patient to describe his or her constipation, including duration of symptoms, frequency of bowel movements, consistency of stools, presence of blood in the stool, and toilet habits (how often and where one has bowel movements).
The FOBT is used to look for colon cancer by determining if there is blood in the stool - which may or may not come from a cancer.
Blood in the stool is often a symptom of colorectal cancer.
A prodromal illness and blood in the stool suggest Campylobacter infection.