Do I still have to drink sugar water when I retest my glucose tolerance?

Glucose tolerance refers to Glucose Tolerance Test, abbreviated as OGTT, generally review OGTT is required to drink sugar water.
Glucose tolerance test is a common means to confirm the diagnosis of diabetes mellitus, OGTT should be carried out in the early morning on an empty stomach, 75 grams of anhydrous glucose, dissolved in 250-300ml of water, and drink within 5-10 minutes, measuring fasting and drinking glucose water after 30 minutes, 60 minutes, 120 minutes, 180 minutes of blood glucose value. Therefore, it is necessary to drink glucose water for reviewing OGTT.
In addition, in order to avoid affecting the accuracy of OGTT, OGTT should not be performed under acute illness or stress; during the test, avoid drinking strong tea and coffee, avoid smoking and avoid strenuous exercise; drugs that affect the results need to be discontinued 3 to 7 days before the test.
If the patient’s OGTT test result is abnormal, he/she should consult an endocrinologist in time.