Causes of high blood sugar 3 hours after meals

Three hours after a meal, blood sugar basically returns to fasting blood sugar levels, generally less than 6.1 mMo per liter. Three hours after a meal, blood sugar rise reasons: one, excessive diet or excessive consumption of greasy, high sugar, pickled food, resulting in high blood sugar after a meal. Two, diabetes patients with poor blood sugar control, showing high blood sugar after a meal. Three, lack of exercise, high blood sugar after a meal. Four, diabetes treatment program unreasonable. If blood sugar rises three hours after meals, we should first strictly control diet, eat less and more meals, eat low-salt and low-fat diet, increase postprandial exercise, adjust hypoglycemic treatment plan, and make blood sugar reach reasonable standard as soon as possible.