抗生素是否有效是要查大便的，建议复查大便常规，观察疗效
B-Drug_Category I-Drug_Category I-Drug_Category O O O O O O B-Medical_Examination B-Medical_Examination I-Medical_Examination O O O O B-Medical_Examination I-Medical_Examination B-Medical_Examination I-Medical_Examination I-Medical_Examination I-Medical_Examination O O O O O