Symptoms and hazards of high blood sugar

After high blood sugar occurs, the patient will first feel thirsty, need to drink a lot of water, and urine volume and frequency will increase. Secondly, the patient will also increase food intake, but its weight will not increase. Long-term high blood sugar will cause serious effects on the patient's heart, blood vessels, eyes, kidneys, etc., which can lead to blindness, amputation and other conditions.