Itchy red skin allergies can be treated with topical glucocorticoid drugs, calcium-modulated phosphatase inhibitors, and other drugs. 1. Glucocorticoid drugs: can be used externally mometasone furoate cream, compound dexamethasone acetate cream, etc., to relieve itching, eliminate redness and swelling, but hormone drugs can not be used for a long time, so as not to cause hormone-dependent dermatitis. 2. Calcium-modulated phosphatase inhibitors: such as tacrolimus, pimecrolimus and other drugs, applicable to the face, perineum and other weak parts of the skin, because it does not contain hormones, can be used as an alternative treatment to glucocorticoid drugs. 3. Other: such as glycerine lotion, flufenamic acid butyl ester ointment and other drugs, can be used as an auxiliary treatment of allergic itching medication. But skin allergies simply using topical ointment role is more limited, it is recommended to take oral anti-allergy drugs, such as loratadine, cetirizine and so on. If the itchy red skin, it is recommended to go to the hospital to find out the cause before treatment, the specific use of drugs need to follow the doctor’s instructions.