孙大娘是老慢支患者。前几年每当病情加重,她在应用支气管扩张药的同时,总不忘服用阿莫西林。可近来她发现阿莫西林效果越来越差了,于是不得不请医生给她使用“高效抗生素”。老慢支急性加重的最常见原因是呼吸道感染。相当多的老慢支患者为了防治慢性支气管炎发作,每到换季时便服用抗生 Aunt is a chronic bronchitis patients. A few years ago when exacerbations, she always use bronchodilator at the same time, always forget to take amoxicillin. Recently, she found that amoxicillin was getting worse and worse, so I had to ask a doctor to give her the use of “high-potency antibiotics.” The most common cause of acute exacerbation of chronic bronchitis is respiratory infections. A considerable number of patients with chronic bronchitis in order to prevent the onset of chronic bronchitis, taking antibiotics every season