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Why doctor requests stool occult blood test during the patient get diarrhea?

In the leaflet, I see that the test serves for the detection of haemorrhage caused by intestinal diseases such as diverticulitis, colitis, polyps and carcinoma. So if the patient got diarrhea, I think it doesn't make sense to request this test. When the patient get diarrhea, the stool can contain blood cause by bacteria or amebia.


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P. Thorpe Christiansen (duffsmom) says

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5 years ago
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