On the night before the test:
- You must not have any food or fluid other than water for a fasting period of 8 hours prior to the test and until the test is completed
- You may drink water during the fasting period
- Record details of food consumed that evening prior to fasting, i.e. time of and approximate size of meal
- Record any current and recent medication.
On the morning of the test:
- Bring your list of medications and diet details with you
- Do not physically exert yourself prior to or during the test, including brisk walking to the clinic
- Avoid smoking for an hour prior to and during the test. If this is not possible please inform the clinic staff
- The test will take approximately 3.5 to 5 hours depending on the sugar requested by your doctor. You will be required to remain at the clinic during the entire procedure.
