After the appearance of itchy skin first determine whether it is limited skin itch, or systemic skin itch, medication is as follows: 1, limited, small-scale skin itch can be used topical creams, such as dermaplanin, paregoric, etc.; 2, systemic skin itch requires the systematic use of anti-allergy drugs, including paracetamol, cyproheptadine, ketotifen, loratadine, cetirizine, epalmatine, etc.. If the condition is more severe, appropriate glucocorticoids, including prednisone, dexamethasone, etc., can be used. If itching is particularly severe, calcium injections can be given, including calcium gluconate, calcium chloride and the clinical very commonly used calcium vidinylate. All of the above drugs are basically prescription drugs, so these drugs must be applied under the guidance of a doctor. Nowadays, another demand of people is to use Chinese herbal medicine, which has less side effects and very good therapeutic effects. Taking herbal medicines that clear heat and detoxify the toxins, remove wind and relieve itching, cool blood and invigorate blood can relieve the symptoms of itchy skin, and there are no obvious side effects.