Sigmoidoscopy: Step 1

A person having a sigmoidoscopy

You will lie on your left side with your knees pulled up to your belly. The doctor will gently put the thin, flexible sigmoidoscope (scope) in your anus and move the scope slowly through your rectum and lower colon.

Current as of: August 22, 2019

Author: Healthwise Staff
Medical Review: Adam Husney, MD - Family Medicine
Brian O'Brien, MD, FRCPC - Internal Medicine
Kathleen Romito, MD - Family Medicine
Arvydas D. Vanagunas, MD, FACP, FACG - Gastroenterology

Is it an emergency?

If you or someone in your care has chest pains, difficulty breathing, or severe bleeding, it could be a life-threatening emergency. Call 9-1-1 or the local emergency number immediately.
If you are concerned about a possible poisoning or exposure to a toxic substance, call Poison Control now at 1-800-567-8911.

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