To prepare for a colonoscopy, you may need to avoid fiber in the days leading up to your appointment and follow a clear liquid diet beginning the day before. Preparation also involves taking ...

A colonoscopy can detect abnormalities or diseases ... You will likely have to follow a clear liquid diet, which means having only clear fluids (or foods that become clear fluids at room temperature).

It will also be important to eat a low-fiber diet in the days leading up to a colonoscopy, a clear liquid diet the day before, and stop all liquids several hours before the appointment.

A successful colonoscopy depends on how well the colon is cleaned out before the procedure. The prep involves taking specific laxatives at designated times and a clear liquid or low residue diet.

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