The lower colon must be emptied right before the procedure in order to make the rectum and sigmoidoscopy easier to see.
How to Gather the Sample(s) Pass feces into a large, clean container—such as a milk jug with the top cut off—or onto newspaper put under the toilet seat, avoiding contact with urine. Pass your loose stools directly into a container rather than onto newspaper if they are loose.
Although increasing fiber intake, drinking more fluids, and exercising are the first-line treatments for constipation, they are not always successful. Consequently, laxatives such bulk-forming agents and lubricants
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