Version July 2025
| Build-up phase | |
| Up to 7 days late | Continue build-up as scheduled |
| 8 to 13 days late | Repeat previous dose |
| 14 to 21 days late | Reduce dose 25% |
| 21 to 28 days late | Reduce dose 50% |
| Maintenance phase | |
| 2 to 4 weeks late | Reduce dose 75% |
| >4 weeks late | Reduce by one or more dilutions depending on length of time and patient sensitivity |
