Facial skin allergy redness and swelling, may be in contact with certain cosmetics, irritating gases, pollen, mites and other allergens, may also be accompanied by itching, pimples and other manifestations, the patient can take the following measures to alleviate: 1, detach from the allergens: recall the recent use of cosmetics, eaten food, medicines, there is no contact with formaldehyde, pollen and other suspected allergens, once the allergens are identified, should be avoided to re-exposure; 2, Wet compresses of topical medications: you can use furacilin solution, boric acid solution or compound cypress liquid lotion wet compresses, have the effect of reducing swelling and stopping itching. You can also use medical masks to help moisturize the skin and promote the repair of the skin barrier; 3, oral medication: need to use drugs under the guidance of a doctor, oral antihistamines, such as loratadine tablets, levosulpiride hydrochloride tablets and so on. If the itching, redness and swelling are more obvious, you can use the appropriate external weak hormone under the guidance of a doctor, such as mometasone furoate cream, but not for long-term use, otherwise it will increase the side effects, resulting in skin atrophy, capillary dilation, and even cause hormone-dependent dermatitis. Mild facial skin allergies have a tendency to heal on their own, and usually improve in about 1 week. If the allergy symptoms are serious and not relieved, it is recommended that the patient consult a doctor in time, do not self-medicate with ointments of unknown composition. It is not recommended to abuse antibiotic creams when having allergies. Antibiotics are only effective against infections, and abuse of antibiotic creams when there is no sign of infection will irritate the already damaged skin and aggravate the symptoms of allergies.