呼吸道感染是小儿常见病,临床上大部分以青霉素类、头孢菌素类抗生素治疗。随着细菌耐药性的产生,有的疗效欠佳,我们用利迈先(克拉霉素)片治疗104例,疗效显著。1　资料与方法1.1　一般资料　200例均为门诊患儿,以就诊先后随机分成两组;治疗组104例,男50例,女54例;对照组96例,男 Respiratory tract infections are common in children, the majority of clinical penicillins, cephalosporins antibiotics. With the emergence of bacterial resistance, and some poor efficacy, we use Limas Xian (clarithromycin) tablets treatment of 104 cases, a significant effect. 1 Materials and Methods 1.1 General Information 200 cases were outpatient children, were randomly divided into two groups for treatment; treatment group 104 cases, 50 males and 54 females; control group of 96 patients, male