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  2. Blood in stool - Wikipedia

    en.wikipedia.org/wiki/Blood_in_stool

    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]

  3. Fecal occult blood - Wikipedia

    en.wikipedia.org/wiki/Fecal_occult_blood

    Fecal occult blood testing (FOBT), as its name implies, aims to detect subtle blood loss in the gastrointestinal tract, anywhere from the mouth to the colon.Positive tests ("positive stool") may result from either upper gastrointestinal bleeding or lower gastrointestinal bleeding and warrant further investigation for peptic ulcers or a malignancy (such as colorectal cancer or gastric cancer).

  4. Stool test - Wikipedia

    en.wikipedia.org/wiki/Stool_test

    A multi-target stool DNA test was approved in August 2014 by the FDA as a screening test for non-symptomatic, average-risk adults 50 years or older. [8] A 2017 study found this testing to be less cost effective compared to colonoscopy or fecal occult blood testing. [9]

  5. It may be safe for some to wait 15 years for repeat ... - AOL

    www.aol.com/news/may-safe-wait-15-years...

    Fecal occult blood tests detect blood in the stool, which can be a warning sign of colon polyps or cancer. FIT-DNA tests, such as Cologuard, detect altered DNA in the stool, which could indicate ...

  6. Stool guaiac test - Wikipedia

    en.wikipedia.org/wiki/Stool_guaiac_test

    The stool guaiac test involves fasting from iron supplements, red meat (the blood it contains can turn the test positive), certain vegetables (which contain a chemical with peroxidase properties that can turn the test positive), and vitamin C and citrus fruits (which can turn the test falsely negative) for a period of time before the test.

  7. Is the gut microbiome key to endometriosis, IBD ... - AOL

    www.aol.com/gut-microbiome-key-endometriosis-ibd...

    A simple stool test could help diagnose endometriosis, as well as some gut-related conditions, such as inflammatory bowel disease (IBD). ... blood in the stool or urine. nausea and vomiting ...