IHE Pharmacy Medication Overview, published by Integrating the Healthcare Enterprise (IHE). This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/IHE/pharm-meow/tree/jct-draft and changes regularly. See the Directory of published versions
Built from commit 62c0f394.   Branch: jct-draft.

Issues

1. how to identify drugs and different granularities (from dispense to presc to MTL)
2. OTC should be considered to MTL?
3. examples and profiles check
4. …

please see also here