PPBS

You should get a PPBS test if you have symptoms of diabetes, such as excessive thirst, frequent urination, fatigue, or blurred vision, or if your fasting sugar is borderline. It is also recommended for people with obesity, PCOS, or a family history of diabetes, and for monitoring diabetes treatment and diet control.

For a PPBS test, eat your usual meal and give your blood sample exactly 2 hours after you start eating. During these 2 hours, avoid snacks, tea, coffee, sweet drinks, smoking, and exercise, though water is allowed. Take your diabetes medicines as usual unless your doctor advises otherwise.

No, fasting is not required for a PPBS test. In fact, you must eat a meal, and the sample is taken exactly 2 hours after you start eating. Avoid snacks, tea, coffee, or sweet drinks during these 2 hours. PPBS is often done after a fasting blood sugar test on the same day.