Medication-route dose history is kept locally, and on iOS 26+ Unfair can read Apple Health medication dose events with permission.

Before Apple Health reads work
must enable Apple Health permissions for Unfair.
Without permission, doses remain in Unfair only.
If Apple Health medication events do not appear
Verify permissions in Apple Health, then confirm the medication event exists in Apple Health.
If Apple Health medication events still do not appear in Unfair, review Troubleshooting and Health Data Sync.
Privacy note
Health access is optional and can be changed at any time.