Results: The highest incidence of antibiotic assoctiated diarrhea caused by cephalosporin was found in the age group of 6 month to 3 years old.

• 结果:本组头孢菌素所致小儿抗生素相关性腹泻以6个月至3岁年龄组发生率最高,临床表现和实验室检查均缺乏特异性。