Allergic itching needs to be improved through general treatment and medication after the cause of the allergy is clarified. 1. General treatment: keep away from suspected allergens, keep the skin clean and avoid scratching. 2. Medication: If the itching is significant, oral antihistamine treatment, such as loratadine, cetirizine and so on. At the same time, you can use topical glucocorticoid drugs, such as dexamethasone acetate ointment, mometasone furoate ointment. Or topical tacrolimus ointment and other calcium-modulated neural phosphatase inhibitors. Allergic itching on the body need to consult a doctor in a timely manner, after clarifying the cause of the disease, follow the doctor’s prescription medication.