We believe that the block effect of large dose metoclopramide was via 5-HTM receptor pathway. The results also showed that no correlation between increased bowel motility and emesis indueed by erythromycin.

• 灭吐灵的实验结果显示红霉素的致吐作用是由5－HTM受体介导的，与其促进小肠动力的作用无明显因果关系。