Antibiotics are not used to treat bronchitis except for people whose infection is caused by Bordetella pertussis or for some people with chronic obstructive pulmonary disease.

除了患者是因百日咳博德特氏菌引起的感染或者某些患者患有阻塞性肺部疾病，支气管炎不用抗菌素治疗。