Redness, swelling and allergy of the face can be treated by general treatment, medication and physical therapy. 1. General treatment: redness and swelling caused by facial allergies need to be kept away from allergens in time to avoid aggravating the condition. You can also apply ice to the affected area, which can help eliminate swelling and pain and other discomforts. 2. Medication: patients can take chlorpheniramine maleate tablets, loratadine tablets and other medications under the guidance of a doctor to relieve the symptoms of itching, inflammation is more pronounced, you can apply compound dexamethasone cream, hydrocortisone cream and other medications to anti-inflammatory. In severe cases, small doses of oral glucocorticoids can also be taken. It is recommended that patients with red, swollen and allergic faces get away from the possible allergens, go to a regular hospital in time and actively cooperate with the doctor’s treatment, so as not to delay the condition.