Colonoscopy
This webpage will give you information about a colonoscopy.
If you have any questions, you should ask your GP or other relevant
health professional.
What is a colonoscopy?
A colonoscopy is a procedure to look at the inside of the large
bowel (colon) using a flexible telescope (see figure 1). Sometimes
a polyp is the cause of the problem and the endoscopist may be able
to remove it during the procedure.
Figure 1 - The large bowel
Are there any alternatives to a colonoscopy?
Other options include a barium enema (an x-ray test of the large
bowel) or a CT colography (a special scan of the large bowel).
What does the procedure involve?
If appropriate, the endoscopist may offer you a sedative or
painkiller. A colonoscopy involves placing a flexible telescope
(colonoscope) into the back passage and blowing some air into the
large bowel to get a clear view.
The endoscopist will be able to look for problems such as
inflammation or polyps. They will be able to perform biopsies and
take photographs to help make the diagnosis.
What complications can happen?
Allergic reaction Breathing difficulties or heart irregularities
Making a hole in the colon Bleeding Incomplete procedure
How soon will I recover?
If you were given sedation, you will normally recover in about
two hours. You may feel a bit bloated for a few hours but this will
pass. A member of the team will tell you what was found during the
colonoscopy and will discuss with you any treatment or follow-up
you need. You should be able to go back to work the day after the
colonoscopy.
Summary
A colonoscopy is usually a safe and effective way of finding out
if you have a problem with your large bowel.
Acknowledgements
Author: Mr Simon Parsons DM FRCS (Gen. Surg.)
Illustrations: LifeART image copyright 2006 Lippincott Williams
& Wilkins. All rights reserved.
This document is intended for information purposes only and
should not replace advice that your relevant health professional
would give you.
Copyright © 2008 EIDO Healthcare Limited
The operation and treatment information on
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You may not copy, print out, download or
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The information should not replace advice that
your relevant health professional would give you.
Hospitals offering this treatment
- Ashtead, Surrey, Ashtead Hospital
- Bingley, Yorkshire Clinic
- Boston, Boston Treatment Centre
- Caterham, North Downs Hospital
- Chelmsford, Springfield Hospital
- Chorley, Euxton Hall Hospital
- Colchester, Oaks Hospital
- Doncaster, Park Hill Hospital
- Gloucester, Winfield Hospital
- Halesowen, West Midlands Hospital
- Hitchin, Pinehill Hospital
- Kettering, Woodand Hospital
- Middlesbrough, Tees Valley Treatment Centre
- Milton Keynes, Blakelands Treatment Centre
- North Tyneside, Cobalt NHS Treatment Centre
- Nottinghamshire, Nottingham Hospital
- Ormskirk, Renacres Hospital
- Peterborough, Fitzwilliam Hospital
- Preston, Fulwood hospital
- Reading, Berkshire Independent Hospital
- Reading, Reading Treatment Centre
- Salford, Oaklands Hospital
- Salisbury, New Hall Hospital
- Sawbridgeworth, Rivers Hospital
- Stafford, Rowley Hospital
- Torquay, Mount Stuart Hospital
- Truro, Duchy Hospital