成人支气管哮喘的症状治疗,目的是使气道开放,并保持通畅。轻症哮喘常为外源性或过敏性,自己口服或吸入支气管扩张剂,可成功地治疗。常用麻黄素及氨茶碱和一种温和的镇静剂制成的片剂,但口服需15～45min才能奏效,许多患者愿选用雾化吸入β_2激动剂,奏效快,副作用小。 Symptoms of adult bronchial asthma treatment, the purpose is to make the airway open, and remain patency. Slight asthma often exogenous or allergic, oral or inhaled bronchodilators, can be successfully treated. Commonly used ephedrine and aminophylline and a mild sedative tablets, but oral take 15 ~ 45min to be effective, many patients would like to use inhalation of β_2 agonists, rapid response, side effects.