There is nothing on the body is very itchy, consider two possibilities: one, may be pruritus, the main cause is the elderly sebaceous glands secrete sebum function is weakened, or seasonal dry skin, resulting in the skin surface can play a protective role in the reduction of sebum, and lead to an inflammatory reaction. It may also be caused by the immune disorder of the body due to the patient’s kidney failure, leukemia, cardiac insufficiency and other serious medical diseases. In clinical treatment, you can take oral levocetirizine hydrochloride capsules and treat with topical application of glyburide lotion or anti-itch ointment. The possibility of urticaria is relatively high, which may be caused by allergies, or internal diseases, or infections and other factors. The rash can usually come and go, and after it subsides there is nothing on the body, and at this time there can be itchy symptoms, you can take oral Avastin capsules and use topical Furazan lotion for treatment.