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Getting ready

Getting your letter

Once you've been referred you'll get a letter, in the post or by email, telling you when your colonoscopy will be.

Some hospitals will phone you to book you in, but you should also get a letter – call the hospital if you do not get one.

Your letter will:


If you're pregnant, or taking any medicines, let the hospital know as soon as you get your letter.

2 days before

For 2 days before a colonoscopy, you should only eat plain foods like:

Your letter should tell you what you can eat and drink.

1 day before

The day before your colonoscopy you'll need to drink sachets of laxatives to empty your bowels ready for the test.

Most people:

Stay at home and be near a toilet after you've starting drinking the laxatives.


You need to drink the laxative as it says on your letter. Otherwise the specialist may not be able to do your colonoscopy.