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High blood sugar, a term that may frequently come up in our lives, is something many people may only understand superficially. You might ask, how high does blood sugar need to be to be considered high? At what level should one start taking medication to lower blood sugar? This question sounds simple, but the answer behind it can be quite complex.
Healthy individuals should maintain their fasting blood sugar levels between 3.9 and 6.1 mmol/L. If a fasting blood sugar measurement exceeds 7.0 mmol/L, it is typically considered to reach the diagnostic threshold for diabetes. Of course, these values are general standards, and some individuals may experience discomfort before reaching this level.
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Not every increase in blood sugar necessitates immediate medication; doctors will decide whether medication is needed based on the specific condition of the patient, which includes blood sugar levels, the type of diabetes, and whether other health issues exist.
Imagine a middle-aged man who leads a sedentary lifestyle and primarily consumes a diet high in sugar and fat. Recently, his medical examination shows that his fasting blood sugar has reached 7.2 mmol/L. Although this exceeds the normal value, his doctor may suggest he first make lifestyle adjustments, such as increasing physical activity and modifying his diet, rather than immediately prescribing medication to lower blood sugar.
Now consider a retired elderly woman whose fasting blood sugar measurement is 6.8 mmol/L, which is close to the threshold for diabetes. She may already exhibit mild diabetic symptoms, such as frequent thirst and urination. In this case, the doctor may still suggest that she start with lifestyle changes, such as gradually increasing physical activity and adjusting her dietary habits, while closely monitoring her blood sugar changes.
For example, a young woman who often works overtime and has an irregular diet recently found that her fasting blood sugar soared to 7.5 mmol/L during a health check.
