Diabetes mellitus is detected mainly by symptoms (the presence of polyuria, polydipsia, polyphagia, weight loss, etc.), as well as blood glucose, glycosylated hemoglobin and other testing methods.
Diabetes should be detected if there is obvious thirst, excessive drinking, excessive urination, significant weight loss without any obvious cause, accompanied by excessive eating and easy to get hungry, as well as obvious fatigue, weakness, itching of the skin, itching of the vulva, skin ulcers that do not heal easily, as well as excessive foaming in the urine and blurred vision, and so on.
There is also a part of the diabetic patients do not have obvious symptoms of diabetes, is found through the body testing of blood sugar, fasting blood sugar ≥ 7.0mmol / L, 2 hours after the meal blood sugar ≥ 11.1mmol / L, glycated hemoglobin ≥ 6.5%, to be considered as a diabetic.
If there are the typical “three more and one less” symptoms of diabetes, i.e., drinking more, eating more, urinating more, and losing weight, and satisfy any one of the fasting blood glucose 7 ≥ mmol/l, or 2 hours after meal blood glucose ≥ 11.1 mmol/l, or random blood glucose ≥ 11.1 mmol/l, or glycated hemoglobin ≥ 6.5%, then diabetes can be diagnosed.
If there are no symptoms of diabetes, two plasma glucose events meeting the above criteria are required to confirm the diagnosis.
If you have the above symptoms or abnormal blood glucose, you should go to the hospital in time for further examination and treatment under the guidance of the doctor.