About Colonoscopy & Polypectomy
Colonoscopy is a test to examine the inside of the large intestine (colon) and rectum using a flexible camera. Polyps — small growths that can turn into cancer over time — can be removed during the same procedure (polypectomy).
It is the most effective test for colorectal cancer screening and for evaluating inflammatory bowel disease.
Also known as: Colon scopy, lower GI endoscopy
Who is it recommended for?
Your doctor may recommend this if you have:
- Blood in stools or black stools
- Change in bowel habits, chronic diarrhoea or constipation
- Unexplained anaemia or weight loss
- Colorectal cancer screening
- Follow-up of polyps or inflammatory bowel disease
How is it done at AKG Hospital?
- Bowel preparation A laxative solution taken the day before cleans the colon.
- Sedation Medicine is given to keep you relaxed and comfortable.
- Examination The colonoscope is passed through the rectum to view the entire colon.
- Polypectomy / biopsy Polyps are removed and biopsies taken as needed.
How to prepare
- Low-residue diet 1–2 days before
- Take the bowel preparation exactly as instructed
- Adjust blood thinners and diabetes medicines as advised
- Arrange a companion
Recovery & aftercare
Bloating and gas are common for a few hours. You can eat normally afterwards unless told otherwise. Biopsy results usually take a few days.
Benefits
- Detects and removes pre-cancerous polyps
- Gold standard for colorectal cancer screening
- Biopsy facility
Risks & when to seek help
Rare risks include bleeding after polypectomy and perforation. Report heavy bleeding, severe pain or fever.
Frequently asked questions
Is colonoscopy painful?
With sedation most people feel only mild pressure or bloating.
At what age should colonoscopy screening start?
Screening is generally advised from about age 45–50, or earlier with a family history. Your doctor will advise.
This page gives general information to help you understand Colonoscopy & Polypectomy. It does not replace a consultation — your doctor will advise what is right for you.
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