Patient Guide to Colonoscopy

A colonoscopy is a procedure used to examine the large bowel. This page provides general information about the process, preparation, and what to expect.

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What Is a Colonoscopy and When Is It Needed?

A colonoscopy allows a specialist to examine the lining of the colon using a flexible camera. It is used to investigate symptoms, screen for bowel cancer, and monitor existing conditions.

Why You May Need a Colonoscopy

Your GP may recommend a colonoscopy if you have:

Positive bowel screening test (FIT/iFOBT)
Rectal bleeding
Change in bowel habits
Iron deficiency anaemia
Abdominal symptoms
Family history of bowel cancer

What is Direct Access Colonoscopy?

Direct Colonoscopy allows suitable patients to proceed directly to colonoscopy following GP referral, without requiring a prior specialist consultation.

We help you to find the closest and earliest available participating Gap/No Gap specialist and suitable private hospital procedure location across Australia.

Learn more about Direct Access Colonoscopy.

Before Your Procedure

Preparation is essential for a safe and effective colonoscopy.

You will receive:

Bowel preparation instructions
Dietary guidance
Information about medications
Consent information

Day of Your Procedure

The procedure is performed under sedation anaesthesia
It usually takes on average 40 minutes
You will need someone to accompany you home. You cannot drive for 24 hours.

After Your Colonoscopy

A report will be sent to your GP
Follow-up may be arranged if needed

Colonoscopy Risks and Safety

Colonoscopy is generally safe, but risks can include:

Bleeding
Perforation (rare) – injury to the gastrointestinal tract
Reactions to sedation

Your healthcare team will discuss risks with you prior to the procedure.

Direct access Endoscopy/Gastroscopy and other endoscopic procedures

Our specialists also offer direct access upper endoscopy or gastroscopy procedures, and other endoscopy procedures such as endoscopic ultrasound (EUS).

Once you provide your GP referral and select your preferred specialist, the specialist will assess your referral directly. If eligible, you will be notified and booking instructions will be provided.

More complex procedures may require initial consultation with the specialist to discuss your condition and the procedure.