If the itchy skin is caused by diabetic peripheral neuropathy you can take oral nutritive nerve medication, in addition, you should pay attention to blood sugar control. If the itchy skin is caused by other reasons, such as chronic eczema, fungal infection, etc., it should be actively treated. If diabetic patients with long-term poor control of blood sugar, can cause vascular lesions and peripheral neuropathy, there will be itching symptoms, you can use local glycerine lotion and other drugs to relieve the symptoms, but also under the guidance of the doctor orally nutritive nerve medication, such as methylcobalamin, glutamine, etc.. The above methods can relieve itching, but not from the root of the problem, the main thing is still to control blood sugar, it is recommended that under the guidance of the doctor oral hypoglycemic drugs, such as metformin, acarbose, etc., if the effect is not good, you also need to use the appropriate dose of insulin to lower sugar. In addition, diabetic itchy skin may also be the emergence of other skin diseases, such as chronic eczema, can be treated with glucocorticoid drugs, such as hydrocortisone cream, dexamethasone cream and so on. Diabetic itchy skin may also be a fungal infection, diabetic patients will be lower immunity, easy to induce fungal infections, you can apply antifungal drugs under the guidance of the doctor, such as ketoconazole, miconazole and so on. Diabetic patients with itchy skin should go to the hospital in a timely manner, to clarify the cause of the disease, under the guidance of the doctor timely treatment.