by H.C. Allen • 1836–1909
Keynotes and Characteristics — the pocket-sized classic for learning remedy differentiation.
Henry C. Allen, MD (1836–1909) was a Canadian-born American homeopath and a colleague of J.T. Kent. He founded Hering Medical College in Chicago and edited The Medical Advance, the leading Kentian journal of his time.
Allen specialized in materia medica teaching. Where Kent gave psychological portraits, Allen trained students to recognize the three or four keynote features that tell one remedy from another at the bedside.
Keynotes and Characteristics With Comparisons of some of the Leading Remedies of the Materia Medica is the standard pocket reference for keynote-based differentiation. First published in 1899, it has been reprinted continuously for over 125 years.
Each remedy is reduced to its essential fingerprint — the three or four strange, rare, peculiar, or verified-constant symptoms that reliably point to it. Comparisons to related remedies are woven into every entry.
It is the book students carry in their coat pocket during training. Short enough to re-read cover to cover; sharp enough that experienced prescribers still reach for it.
Keynotes and Characteristics With Comparisons of some of the Leading Remedies of the Materia Medica is a compact homeopathic reference by H.C. Allen, first published in 1899, focused on the key distinguishing symptoms of each remedy and their differential comparisons.
Henry C. Allen, MD (1836–1909) was a Canadian-American homeopath, founder of Hering Medical College in Chicago, and a leading teacher in the Kentian tradition.
No. Henry C. Allen (Keynotes) and Timothy F. Allen (Encyclopedia of Pure Materia Medica) were contemporaries but different people. Both were major American homeopaths; their books serve very different purposes.
A keynote is a symptom so characteristic of a particular remedy that its presence strongly suggests the remedy. Allen's book is built around these keynotes as a practical prescribing shortcut.
185 remedies — jump to a letter or scroll the list.