There is no fast way to reduce the swelling of allergic redness and swelling, the main thing is to strengthen the care, medication and so on. 1. Enhanced care: allergy red swelling may be eating allergic food or contact with allergic substances, first of all should be clear allergens, avoid re-exposure to allergens, pay attention to keep local skin clean and hygienic, to avoid scratching, you can use saline for wet compresses to ease the symptoms, the diet should be light and mild, eat less spicy and stimulating food. 2. Drug treatment: including local medication and oral medication, local can be applied weak glucocorticoid (facial caution), such as hydrocortisone butyrate cream, Dinaid cream, if some parts of the face and other parts of the face can be applied tacrolimus ointment, pimecrolimus cream. At the same time, you can take oral antihistamines to relieve the symptoms, such as benadryl and ipratropium. The same disease, the patient’s physical condition is different, different stages of the disease, the treatment method is different, should be standardized treatment under the guidance of the doctor. All of the above drugs should be used in accordance with the doctor’s instructions, not blindly used on their own.