建议去查下便常规和轮状病毒，看是感染还只是单纯的消化不良。
O O O O O B-Medical_Examination I-Medical_Examination I-Medical_Examination O B-Medical_Examination I-Medical_Examination I-Medical_Examination I-Medical_Examination O O O O O O O O O O O B-Symptom I-Symptom I-Symptom I-Symptom O