Ointment allergy is very itchy, may be caused by contact dermatitis, can be treated with oral and external anti-allergy drugs, oral loratadine or cetirizine, external dexamethasone ointment. Clinically, many people are allergic to plasters, allergies will appear itching, redness and swelling and other symptoms, to improve these symptoms the most effective way to completely out of contact with plasters, avoid re-exposure, and then topical, oral anti-allergy drugs symptomatic treatment, commonly used topical ointment is hormone ointment, such as triclosan, hydrocortisone ointment, and so on. If the itching is more severe, the topical ointment can not control, it is recommended to take oral anti-allergic loratadine, cetirizine and so on. Appear paste ointment allergy is very itchy should be discontinued in time and follow the doctor’s instructions to deal with.