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We ask you to have an enema before you have your flexible sigmoidoscopy. The enema helps clear your bowel so that the endoscopist can see it clearly. Enemas are safe, gentle, and surprisingly easy to use. Most people find it convenient and comfortable to use the enema at home.

How and when to use the enema

Make sure you have read through the information leaflet provided with the enema before using it. 

  • Use the enema 1 hour before you leave for the hospital on the day of your procedure. 
  • Use the enema even if you have recently had a bowel motion.
  • You will usually need to go to the toilet within 15 minutes of using it.

For any questions or problems, please contact the endoscopy unit you are booked to have your appointment at the contact numbers on the next page.

Frimley Park Hospital

For medication queries, please contact the nursing team between 8am–1pm Monday to Friday:
Endoscopy Unit, Frimley Park Hospital: 0300 613 6045

For appointment queries or to request information leaflets, including diabetic leaflets, contact the admin team:
Endoscopy booking for Frimley Park Hospital: 0300 613 6647
Frimley - fhft.endoscopyadminfph@nhs.net

Heatherwood Hospital

For medication queries, please contact the nursing team between 9am-4pm Monday to Friday
Endoscopy Unit, Heatherwood Hospital: 0300 614 4020 

For appointment queries or to request information leaflets, including diabetic leaflets, contact the admin team:
Endoscopy booking for Heatherwood Hospital: 0300 614 4009

Wexham Park Hospital

For medication queries please contact the nursing team between 9am-4pm Monday to Friday
Lady Sobell Unit, Wexham Park Hospital: 0300 615 4163
Endoscopy Suite, Wexham Park Hospital: 0300 615 9448

For appointment queries or request information leaflets, including diabetic leaflets, contact the admin team:
Endoscopy booking for Wexham Park Hospital: 0300 615 4157
Wexham - fhft.endoscopyquerieshwph@nhs.net

Contact us

If you have any queries relating to this information, please contact the Endoscopy service.

About this information

Service:
Endoscopy

Reference:
H/073

Approval date:
10 May 2023

Review date:
1 April 2026

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Important note 

This page provides general information only. It is developed by clinical staff and is reviewed regularly every 3 years for accuracy. For personal advice about your health, or if you have any concerns, please speak to your doctor.