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A colonoscopy is a minimally invasive procedure that allows gastroenterologists to examine the large intestine (colon) for abnormalities like polyps, inflammation, or cancer. In Brisbane, this procedure is performed by qualified specialists using high-definition scopes for accurate diagnosis and treatment.
Key Benefits of Colonoscopy:
Early detection of bowel cancer (Australia’s 2nd deadliest cancer).
Preventive care: Removal of precancerous polyps before they turn malignant.
Diagnosis of digestive disorders (e.g., Crohn’s disease, ulcerative colitis).
Screening looks for signs of bowel cancer before symptoms appear. The home stool test is the first step for many people; colonoscopy investigates findings or symptoms in more detail.
The National Bowel Cancer Screening Program offers eligible Australians aged 45–74 a free home stool test every two years. A positive result needs follow-up, usually with a colonoscopy. Symptoms or a relevant personal or family history may call for a different investigation plan.
Colonoscopy may be recommended after a positive screening test, for bowel symptoms, or because of your personal or family history. It is also used for surveillance, such as follow-up after previous polyps. Age alone does not determine whether you need one.
Arrange a medical assessment for
rectal bleeding,
persistent abdominal pain,
unexplained weight loss,
ongoing diarrhoea or constipation,
or iron deficiency anaemia. The findings will guide which tests you need.
Previous polyps or bowel cancer.
Inflammatory bowel disease (IBD) (e.g., Crohn’s, ulcerative colitis).
When choosing a colonoscopy provider, look for
relevant specialist experience,
a clear explanation of the procedure and its risks,
and a process for assessing how soon your investigation is needed.
Why Brisbane Patients Trust Upper Edge Surgery:
Dual-trained specialist (endoscopy + surgery).
Clear information about your results and any follow-up.

Use the written bowel preparation (bowel prep) instructions for your booking. They cover the preparation product, diet, fluids, fasting and medicines, with timing tailored to your procedure and health.
Contact the treating team before starting if your preparation instructions are missing or unclear. Check with them before changing any medicine.
Colonoscopy is usually performed under sedation given by an anaesthetist. The anaesthesia plan takes your health and the procedure into account, and the benefits and risks will be explained before you proceed.
A colonoscopy usually takes about 20–40 minutes. It may take longer if polyps need removal or other treatment is needed.
Polyps may be removed during the colonoscopy and sent for laboratory testing. Some findings need treatment at a separate appointment.
Initial findings can be discussed once you have recovered from the procedure. Results from tissue sent to the laboratory are available later.
Do not drive for at least 24 hours after sedation, and follow your discharge instructions for supervision and returning to your usual activities.
Mild bloating can occur. Severe or worsening pain, significant bleeding, fever or persistent vomiting needs urgent medical advice.
Follow-up appointment to review results.
Medicare rebates available with a GP referral.
Private health may cover additional costs.
Diagnostic colonoscopy
Therapeutic colonoscopy (with polyp removal)
📞 Contact us for a personalised quote.

Yes, a colonoscopy can detect haemorrhoids, but they are usually diagnosed with a physical exam.
No, you can't eat solid food 24 hours before, but clear liquids are allowed until a few hours prior.
In Australia, Medicare and your Private Health Insurer may cover colonoscopy if medically necessary. Check with your doctor.
At Upper Edge Surgery, led by Dr Goutham Sivasuthan, we provide:
✔ Assessment of your bowel symptoms or screening result
✔ Clear explanations of the procedure and findings
✔ Personalised care and communication
For a colonoscopy in Brisbane, contact Upper Edge Surgery to arrange a consultation with Dr Goutham Sivasuthan.
📞 Call Upper Edge Surgery today or visit our Contact page to learn more.
Colonoscopy can identify bowel conditions and remove some polyps before they become cancer. For routine screening without symptoms, start with the National Bowel Cancer Screening Program if you are eligible. Rectal bleeding or persistent bowel changes need medical assessment to choose the right investigation.
Dr Goutham Sivasuthan
Upper Edge Surgery – Brisbane
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General information, not personal medical advice. Dr Goutham Sivasuthan — AHPRA MED0002000354.
Last medically reviewed by Dr Goutham Sivasuthan, FRACS, Specialist Surgeon — September 2026
Last medically reviewed by Dr Goutham Sivasuthan, FRACS (AHPRA MED0002000354). This article is general information, not personal medical advice. Please see your GP or a surgeon about your own situation.