Diabetes blood sugar, especially after eating is often significant hyperglycemia. But in some cases found in the monitoring of blood glucose, sometimes 2-hour postprandial blood sugar lower than fasting blood glucose, which is Why? The basis of my clinical experience of many years, the reasons for this phenomenon may have the following three aspects:
Excessive insulin secretion and peak delay
Under normal circumstances, the people will rise after eating sugar, about 30 to 60 minutes to reach peak blood glucose decreased, plasma insulin level is increased to 30 to 60 minutes peak, based on the value of 5 to 10 times, then down, 3 ~ 4 hours and returned to basal levels. Thus, despite normal blood glucose rise after meals, but fluctuations in a certain range. Type 2 diabetes, there may be too much insulin (hyperinsulinemia) and peak latency, maintained at a high concentration of insulin and can not return to baseline levels, which occur in the postprandial blood sugar low, or low blood sugar.
Inadequate diet and excessive exercise intensity meal
Diabetes diet and exercise are two important basic measures, strict diet control and proper exercise will help reduce weight and improve high blood sugar and reduce hypoglycemic drugs. But diet programs should be strict and long-term implementation, movement should be the law. Such as inadequate diet or exercise intensity is too large meal, postprandial blood glucose may occur in patients with low or even low blood sugar reactions.
Antidiabetic drugs overdose, and diet do not match, or by applying enhanced hypoglycemic hypoglycemic drugs and other drugs may also lead to significantly lower postprandial blood glucose.
Experts Return Weapon: in case of 2-hour postprandial blood glucose below fasting blood glucose, it can first increase the monitoring frequency, such as test meal plus 1 hour, 3 hour glucose, recorded good data, easy to find changes of blood glucose. Then consult a doctor, a common analysis and find out the reasons, if necessary, adjust diet, exercise and medication.