| 给药时间 | 基因毒性杂质每日允许最大摄入量/μg | |
| EMA | FDA | |
| >12个月 | >12个月 | 1.5 |
| <12个月 | >6~12个月 | 5 |
| <6个月 | >3~6个月 | 10 |
| <3个月 | >1~3个月 | 20 |
| <1个月 | 14 d~1个月 | 60 |
| 1d | <14 d | 120 |