Ointment allergy need to stop using the ointment or change the drug, if necessary, you can follow the doctor’s instructions for drug treatment. If the use of cream after local skin allergies, need to tear off the cream in time, and wash the local, avoid using the cream, or replace the other should not cause allergies to the cream. For patients with severe allergies after using plasters, they can take antihistamines such as levocetirizine and dicloxacillin, and glucocorticosteroids such as prednisone and methylprednisolone orally under the guidance of a doctor. In addition, some patients can apply glucocorticoid ointment, such as dexamethasone ointment and mometasone furoate cream, to the allergic area. Patients with allergic reactions after the use of ointment need to consult a doctor in a timely manner, you can choose the appropriate measures for treatment under the guidance of the doctor. Patients usually need to keep the allergic parts clean, local itching should not be scratched. In addition, the diet needs to eat tomatoes, apples and other light and easy to digest food, to eat less spicy and stimulating food such as chili peppers.