红霉素为一种大环内酯类抗生素 ,临床应用广泛 ,但由于其可产生恶心、呕吐、腹痛、腹泻等胃肠道不良反应 ,限制了该药的应用。过去 ,常应用维生素 B6 对抗之 ,但效果不甚理想。笔者以尼群地平对抗其不良反应 ,收到良好的效果 ,报告如下 :1　资料与方法选择呼吸道感染患者 6 5例 Erythromycin, a macrolide antibiotic, has wide range of clinical applications, but its use is limited due to its gastrointestinal adverse reactions such as nausea, vomiting, abdominal pain and diarrhea. In the past, often use vitamin B6 confrontation, but the effect is not satisfactory. The author of nitrendipine against its adverse reactions, received good results, the report is as follows: 1 Materials and Methods Select 6 patients with respiratory tract infection