Skin allergy redness should remove allergic factors, you can use saline for external application, etc. At the same time, you can use hormone ointment, antihistamines and other treatments to promote redness and swelling subside. Skin allergy redness, should promptly remove the factors that may cause allergies, such as unsuitable cosmetics, skin care products. At the same time can be appropriate use of saline, boric acid solution for external application, can relieve the phenomenon of allergy redness. In addition, you can use hormone ointment such as mometasone furoate, halometasone ointment, etc., or oral antihistamine drugs, including cetirizine hydrochloride tablets, loratadine tablets, ibastine tablets and so on to relieve the phenomenon of allergy. If the phenomenon of skin allergy and redness is obvious, you should go to the hospital in time to consult the examination, the use of the above drugs should follow the doctor’s instructions, do not self-medication.