Itchy body may be caused by dry skin, allergies, diabetes or hepatitis cirrhosis, etc. Oral loratadine, metformin or topical ketoconazole ointment can be given. 1, a lot of physiological or pathological conditions can lead to itchy body, some physiological conditions such as not pay attention to skin cleaning, sebum secretion and other circumstances lead to itchy skin, need to take a daily bath diligently pay attention to clean, after the itchy symptoms can be relieved; when the seasonal factors such as skin dryness should pay attention to moisturizing, apply moisturizing cream and other treatment can be relieved. 2, skin pathology can also lead to itchy body, contact with various causes of allergy symptoms, need to timely detach from the allergen timely medical treatment, under the guidance of the doctor to take loratadine and other anti-allergy drugs; skin ringworm caused by itchy skin can be used externally with naftifine ketoconazole ointment and other methods of treatment. 3, if diabetes, chronic hepatitis and other systemic diseases lead to also need to target the cause of treatment, and timely adjustment of lifestyle habits. 4. Elderly pruritus mainly occurs in more than 60 years of age, long-term repeated itching and even the appearance of obvious scratches and scabs, need to use vitamin E, silicone oil and other repair of the skin barrier, as well as compound lidocaine and other antipruritic drugs to control the seriousness of the system to be used in the treatment of loratadine and other drugs. It is recommended that long-term itchy skin in the exclusion of physiological factors do not relieve the situation to consult a doctor in a timely manner, clear causes for targeted treatment, for systemic diseases but also regular review, timely adjustment of medication to avoid disease progression.