咳嗽会有血是怎么回事？

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.

擅长领域：对鼻炎、哮喘、过敏性休克、过敏性皮炎、湿疹、荨麻疹、食物和药物过敏等常见过敏性疾病的诊断和治疗积累了丰富经验。Diagnosis and treatment of common allergic disorders, including rhinitis, asthma, anaphylaxis, atopic dermatitis, eczema, urticaria, food and drug allergy.

擅长领域：胸外科复杂、疑难、微创手术、难治性气胸肺大泡、胸壁畸形和胸腔镜手术。多年来从事胸部肿瘤（肺、食管贲门、纵隔良、恶性肿瘤）外科诊治、重症肌无力外科治疗机理及胸壁畸形微创矫治的临床研究。