Diabetic patients with itchy skin need to identify the cause of the disease, may be due to elevated blood glucose caused by neurotoxic damage, pathogen infection, etc., can be in the doctor’s guidance to lower the blood glucose, anti-infection and other treatments. 1. Neurotoxicity damage: you can follow the doctor’s instructions through the medication to control blood glucose, such as biguanide, sulfonylurea, gliclazide and so on. 2. Pathogen infection: diabetic patients with long-term hyperglycemia, can destroy the skin’s immune barrier, easy to trigger bacterial and fungal infections, resulting in patients with itchy skin symptoms, in the active lowering of blood glucose at the same time, the topical anti-infective drugs for treatment. Diabetic patients with itchy skin should be treated under the guidance of a doctor.