Colonoscopy: Preparation & Expectations (Sigmoidoscopy)

Alternate Names : Sigmoidoscopy

Colonoscopy | Preparation & Expectations | Results and Values

The doctor can provide instructions. Some type of bowel preparation is usually needed. The person may be asked to:

fast overnight before the test

have enemas to remove stool from the lower intestine

stay on a liquid diet for 1 to 3 days before the test

swallow a liquid that cleanses the bowel

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Colonoscopy: Overview & Description		Colonoscopy: Results and Values

Author: David T. Moran, MD
Reviewer: Adam Brochert, MD
Date Reviewed: 06/04/01