异烟肼自问世以来一直为广泛应用的一线抗结核药,临床上很少用于治疗其他疾病。近年来发现它有新的用途,现作一简要介绍。一、治疗百日咳:近来有人用异烟肼治疗620例百日咳患儿取得良效。疗法为口服异烟肼,5岁以下10～15mg/kg/d,合并炎症者可加用抗生素。经服异烟肼治疗3天症状明显减轻及主要症状和体征消失者191例,占30.8%,治疗7天痊愈者302例,占48.71%,症状迁延二周以上缓解者105例,占16.9%,22例无效,占3.55%,本组无1例死亡和发生毒副反应。卡 Isoniazid has been a widely used first-line anti-TB drug since its introduction, and is rarely used clinically to treat other diseases. In recent years it has found new uses, now make a brief introduction. First, the treatment of pertussis: Recently, some people with isoniazid 620 cases of pertussis children achieved good effect. Therapy for oral isoniazid, 10 to 15 mg / kg / d under the age of 5, with inflammation may be added with antibiotics. 191 cases (30.8%) were treated with isoniazid for 3 days and 302 cases were cured in 7 days (48.71%). Symptoms were delayed more than two weeks in 105 cases (16.9%), , 22 cases were ineffective, accounting for 3.55%, no one died in this group and toxic side effects occurred. card