When allergies occur on the face, you should seek medical attention and follow medical advice to use medication and prohibit self-diagnosis. Oral medication for face allergy is mainly anti-allergy drugs, and other drugs play a supplementary role, such as vitamins. 1. Anti-allergy drugs: antihistamines, such as chlorpheniramine maleate tablets and desloratadine. It should be noted that chlorpheniramine maleate tablets are a generation of anti-allergy drugs, there is a sedative-hypnotic effect, driving, going to work patients need to be careful with the drug to avoid adverse consequences. Desloratadine is a third-generation anti-allergy drug, slightly more expensive, but the overall effect is stronger than a generation of drugs; 2, anti-inflammatory drugs: if the allergy situation is more serious, can be combined with drugs, such as compound glycopyrrolate tablets, with anti-inflammatory, anti-allergic, immunomodulatory effects; 3, vitamins: such as vitamin C, vitamin E, etc., to promote collagen synthesis, conducive to wound healing, and can improve vascular permeability. Vitamin C should not be taken in excess, prone to diarrhea, stones, etc.; 4, light-avoidance agents: some patients have facial allergies due to sun exposure, which can be combined with oral light-avoidance agents, such as hydroxychloroquine, carotene, etc., thus reducing the damage caused by light exposure; 5, corticosteroids: try to avoid the use of hormonal drugs, if the treatment effect is poor, consider such drugs, such as prednisone acetate, etc.