Blood in the Stools
Alternate Names : Rectal Bleeding, Hematochezia
How is the symptom diagnosed?
A thorough medical history and physical examination is the first step in determining
the cause of blood in the stools. Blood tests, such as a complete blood cell
count, or
CBC, can evaluate the effect of the blood loss.
Stool tests, such as a fecal occult blood test, may be done. A recent
study has shown that a screening for fecal occult blood every 1 to 2 years can
significantly reduce the incidence of colorectal cancer. A positive test for
blood in the stools often detects precancerous lesions that can be removed
before colorectal cancer develops.
Scans,
endoscopy, an upper GI series, and a barium
enema may be used to examine the inside of the stomach and
intestines.
Ultrasound and rectal exams may also be done.
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