Vitamin C, such as vitamin C-fortified fruit drinks and supplements at amounts greater than 250 milligrammes (mg) daily.
If the faecal occult blood test results are positive, blood has been discovered in the stool. Your doctor will need to identify the cause of the bleeding, either by doing a colonoscopy or by performing an examination to establish if the stomach or small intestine is the source of the bleeding.
A faecal occult blood test examines a sample of faeces for blood that is not visible to the eye. A sign of bleeding in the digestive tract is blood in the stool. This might be a sign of diverticulosis, diverticulitis, cancer, polyps, hemorrhoids, or inflammatory bowel disease.
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