Published on September 1, 2025 4 min read

What to Expect During a Colonoscopy: Preparation & Procedure

A colonoscopy is a medical procedure used to examine the colon (large intestine) for abnormalities such as polyps, inflammation, or cancer.
It is a crucial screening tool for detecting colorectal cancer early when treatment is most effective.

Understanding what to expect before, during, and after a colonoscopy can help ease anxiety and ensure a smooth procedure.
This guide will walk you through the preparation process, what happens during the procedure, and what to expect afterward.



How to Prepare for a Colonoscopy

Dietary Restrictions

Bowel Preparation

Medication Adjustments

What Happens During a Colonoscopy?

Arrival & Sedation

The Procedure

Duration

What to Expect After a Colonoscopy

Recovery

Results

Resuming Normal Activities