Preparing for a colonoscopy involves completely emptying the bowel through dietary changes one to two days before the procedure and using an agent that causes diarrhea, according to Harvard Medical School. The exact inst... More » Health Diagnostics & Imaging

Colonoscopy preps work by emptying out the contents of the lower intestine and rectum prior to a colonosopy procedure, explains WebMD. The steps of a colonoscopy prep can vary depending on specific physician instructions... More » Health Conditions & Diseases

A colonoscopy is a procedure that allows a physician to examine the inner lining of the large intestine, according to WebMD. Using an instrument called a colonoscope, the doctor examines the rectum and colon for signs of... More » Health Diagnostics & Imaging

The purpose of the dietary changes prescribed in the days before a colonoscopy is to clean the bowel out completely, according to Harvard Medical School. An empty colon allows the doctor to see any anomalous growths in t... More »

A colonoscopy bowel prep is a cleaning substance that completely empties the contents of the colon by causing frequent, high-volume diarrhea, states Harvard Health Publications. While the exact instructions vary by docto... More » Health Diagnostics & Imaging

A two-day colonoscopy preparation, which aims to clean the colon, involves starting a clear liquid diet for up to two days before the colonoscopy, depending on the type of colon prep the doctor suggests, according to Web... More » Health Diagnostics & Imaging

Preparing for a colonoscopy can be more complex and daunting than the actual colonoscopy procedure itself, and it typically includes clearing the bowels with a regimented diet and consuming bowel clearing liquids that in... More » Health Diagnostics & Imaging