What is Oral Glucose Tolerance Test?

  • This test is find out how well your body absorbs and uses sugar (glucose)

What do I need to do before the test?

  • For at least 3 days before the test, you should have an unrestricted diet (rich in carbohydrates)
  • Diets with reduced calories can cause incorrect test results
  • The evening before the test, you can have your normal meal and then fast for 12 hours before your appointment for the blood test
  • During the fasting period, please do not eat, chew gum or drink anything except water.

What do I need to do on the day of the test?

  • Please take this information sheet with you and report to the reception on arrival
  • One of our staff nurses will take you to the blood test room
  • A 5 ml of blood will be obtained from you
  • You will be given a sugar drink
  • A second blood test will be obtained in exactly 2 hours later
  • You will be advised to have some snack before you leave the unit

What do I need to bring on the day of the test?

  • A snack
  • Something to read
  • Enough coins for parking for a period of 3 hours