支气管哮喘是儿童时期最常见的慢性疾病之一，可因气候变化、食物或药物过敏、兴奋或劳累而发病，具有反复、持续发作及夜间发病多的特点。发作时，患者频繁咳嗽、气短、喘息、缺氧，严重者可呈哮喘持续状态，并可引起心、脑、肝、肾等脏器的合并症。支气管哮喘严重地危害... Bronchial asthma is one of the most common chronic diseases in childhood. It can be caused by climate change, food or drug allergy, excitement or fatigue, and has the characteristics of repeated, persistent attacks and nightly onset. Attack, frequent cough, shortness of breath, wheezing, hypoxia, severe asthma may be sustained state, and can cause heart, brain, liver, kidney and other organ complications. Bronchial asthma serious harm ...