脸上红斑是什么原因？

擅长领域：产后风湿、痛风、骨关节炎、类风湿关节炎、风湿病

擅长领域：乳腺疾病，乳腺癌术后调理，慢性骨髓炎、痛风、丹毒、深腹部窦道、雀斑、黄褐斑、粉刺、顽固性湿疹及各种外科疑难杂病。

擅长领域：擅长上下呼吸道过敏性疾病（过敏性鼻炎、过敏性咳嗽、过敏性哮喘），食物过敏，药物过敏，昆虫（蜂毒）毒液过敏，过敏性休克，特应性皮炎等过敏性疾病的诊治工作。在花粉症特异性诊断、免疫治疗疗效及安全性评估领域具有较高学术造诣；在蜂毒致严重过敏反应领域学术研究居国内领先，曾多次在国际会议上就该领域研究进展进行大会发言。Diagnosis and treatment of upper and lower respiratory tract allergic diseases (allergic rhinitis, allergic cough, allergic asthma), food allergy, drug allergy, insect venom (bee venom) allergy, anaphylactic shock, atopic dermatitis and other allergic diseases. High academic attainments in the fields of specific diagnosis of hay fever, immunotherapy efficacy and safety evaluation; leading academic research domestically in the field of severe allergic reactions caused by bee venom, and many speeches on the research progress in this field at international conferences.