Diabetic complications are generally not acute conditions, but the result of long-term pathology. Diabetic patients may experience the following conditions in their daily lives to indicate the occurrence of diabetic complications: 1. Thirst and dry throat: This indicates elevated blood glucose and increased blood viscosity. Some people do not have thirst symptoms despite increased blood glucose due to the insensitivity of the thirst center. 2. Fatigue and weakness: The accumulation of metabolites in the cells of the body, so there is severe fatigue and weakness. 3.Rising blood pressure: When blood sugar rises, blood volume increases and high blood pressure appears. 4.Bulging around the body: It indicates that blood sugar decreases too fast, causing intracellular edema. 5.Bloating and constipation: It may be the weakness of gastrointestinal smooth muscle, damaged autonomic nerve, and excessive consumption of biguanides. 6, headache and dizziness: two conditions are prone to headache and dizziness: high blood pressure and hypoglycemia. 7, skin flaking: dry skin, flaking, itchy, suggesting skin symptoms. 8, numbness in both feet: tingling in both feet, followed by numbness and glove-like loss of sensation, suggesting the occurrence of diabetic peripheral neuritis. 9, skin discoloration: both feet pale, cold, and soon turn dark purple, indicating foot ischemia. Severe foot ischemia is a sign of gangrene of the extremity of the foot. 10, blurred vision: the appearance of near-sighted objects blurred, while the visual objects are still good, suggesting reduced eye regulation and possible mild cataract.