There are several possible causes of red face: 1: discoid lupus erythematosus, due to heredity, immune imbalance, estrogen abnormal secretion caused by the clinical treatment can be oral hydroxychloroquine sulfate tablets, with the topical application of pimecrolimus cream or tacrolimus ointment application treatment. 2, dengue: due to hemolytic streptococcal infection caused by the treatment of cefixime capsule oral, azithromycin dry mix Suspension treatment, serious cases can be injected with penicillin sodium injection, cefuroxime sodium injection, but also with the local application of compound polymyxin B ointment, mupirocin ointment for anti-inflammatory, antibacterial treatment. 3, facial dermatitis: mainly due to lifting some irritating substances, or eating some kind of allergic food caused by allergic reactions, the symptoms may be accompanied by itching, burning sensation, you can use cetirizine tablets with ketotifen tablets for The treatment can be done by using cetirizine tablets with ketotifen tablets.