Synthesis Repertory –
Introduction
Synthesis Repertory is a modern, continuously updated extension of Kent’s Repertory, developed by Frederik Schroyens. It incorporates vast clinical and proving data, making it one of the most comprehensive and widely used repertories in contemporary homoeopathic practice.
Synthesis 7 (1997)
- Sources – indicated in abbreviated form at end of each medicine
- Clinical rubrics – renamed according to modern nomenclature
- Rubrics (in more comprehensible form) – Kent’s arrangement Style – Localization, description
- Rubrics – follow clearly readable “symptom format”
- Cross references & synonyms – especially in Mind section
- New standard list → remedy abbreviations, author abbreviations
- Index → of important changes & corrections
- Remedies – 2,000 remedies New catalogue – 342 remedies
- References – 1,821
- Additions – 235,000
Synthesis 8 (2001)
- Sources – integrated information from 665 sources
- Vast amount of clinically confirmed information
- Subrubrics – modification e.g., alternating symptom in stomach → alternating with pain in stomach
- Corrections compared to Kent have been increased
- Remedies – 2,273 remedies New catalogue – 420 remedies 1,323 synonyms
- References – 3,031
- Additions → 133,000 remedy additions → 292,000 author additions
- Provings – 42 new provings → 3,200+ symptoms + other new provings
- Total Pages – 1,912 pages
Synthesis 9 / 9.1
- Restructuring & streamlining of rubrics done at many places
- All information from Boenninghausen & Boger added
- Repertories of Boericke & Phatak have been added
- Information on magnets introduced by J. Boenninghausen – Magnetis polus arcticus – Magnetis polus australis – Magnetis poli ambo
- Mind chapter starts with daytime, morning, night
- Repertory part contains 2,090 pages
- Symbols ↓ (down arrow) following a remedy → copied from a similar subrubric • (black dot) following a remedy → added because of more recent or lesser known author
- Actual Catalogue – 4,497 remedies & abbreviations → Synthesis 9.1 contains 2,373 of them – 3,827 references → Synthesis 9.1 contains 886 of them
- Annotated corrections → 707
- Remedy occurrences → 1,066,987
- Author occurrences → 1,733,453
Additional Keypoints Added for Completeness
- Synthesis is designed for both classical Kentian repertorization and modern clinical practice with extensive cross-references and clinical additions.
- Regular updates (Synthesis 9.1, 10, etc.) and software versions (e.g., Radar-Opus) make it the most dynamic and widely used repertory today.
- Strong emphasis on reliable sources, clinical verification, and clear rubric structure for accurate and efficient case working.