在哮喘患者急性轻度发病、出现早期症状,或接触可能触发哮喘发作的因素时,可以在家中或社区医院重复吸入β_2受体激动剂类药物(如沙丁胺醇或特布他林气雾剂),或口服茶碱类药物,能有效控制病情。吸入治疗患者发病一个小时内,每20分钟用1次药,每次2~4喷,约200~400微克,疗效可维持4~6小时。对于吸入药物后症状快速缓解,并能 In acute asthma patients with mild onset, early symptoms, or exposure to factors that may trigger asthma attacks, beta 2 agonist medications (such as salbutamol or terbutaline aerosol) may be reintroduced at home or in community hospitals, Or oral theophylline drugs, can effectively control the disease. Inhalation of patients within one hour of onset, every 20 minutes with a drug, each 2 to 4 spray, about 200 to 400 micrograms, the effect can be maintained for 4 to 6 hours. For the inhalation of drugs quickly relieve symptoms and can