笔者近期用异烟肼加左旋咪唑治疗１例顽固性喘息性支气管炎取得了满意疗效。现报道如下：病例报告：刘某，男，３６／１２岁。因咳喘反复发作近２月入本院治疗。２月前因受凉出现发热（体温在３８℃左右），咳嗽、伴气喘。曾在当地治疗，用氨苄青霉素，先锋霉素Ｖ抗感染，小儿 I recently with isoniazid plus levamisole treatment of refractory asthmatic bronchitis achieved satisfactory results. Reported as follows now: Case report: Liu, male, 36/12 years old. Due to cough and recurrent episodes of nearly 2 months into our hospital. 2 months ago due to fever appeared fever (body temperature around 38 ℃), cough, with asthma. Has been in the local treatment, with ampicillin, Vanguard ADM anti-infective, children