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The guidelines below will help you adjust your diet and diabetes medicine as you get ready for your barium enema or colonoscopy.
If you see a diabetes educator or diabetes specialist, contact them at least 1 week before your test to ask about adjusting your diabetes medicine or insulin.
Follow the instructions the gastroenterology (GI) clinic gives you about what you can eat or drink before the test.
Do not eat or drink any of the following:
Monitor glucose anytime you feel your glucose is low or high.
If you take diabetes medicine other than insulin
If you take insulin
The day before your test
The day of your test
Bring a source of fast-acting sugar and your glucose monitor to the test with you.
After the test
To see this information online and learn more, visit MyHealth.Alberta.ca/health/pages/conditions.aspx?Hwid=custom.ab_diabetes_bariumenema_colonoscopy.
For 24/7 nurse advice and general health information call Health Link at 811.
Current as of: July 19, 2023
Author: Endocrinology and Metabolism Program, Alberta Health Services
This material is not a substitute for the advice of a qualified health professional. This material is intended for general information only and is provided on an "as is", "where is" basis. Although reasonable efforts were made to confirm the accuracy of the information, Alberta Health Services does not make any representation or warranty, express, implied or statutory, as to the accuracy, reliability, completeness, applicability or fitness for a particular purpose of such information. Alberta Health Services expressly disclaims all liability for the use of these materials, and for any claims, actions, demands or suits arising from such use.