Read this first
Five minutes on the ideas and the vocabulary behind the library — for anyone new to the classical literature.
What this library is
A materia medica is a catalogue of medicines: what each one is made from, and the picture of symptoms it is said to answer. This one gathers the classical homeopathic materia medica — Boericke, Clarke, Kent, Allen, Nash, Farrington — into one plain-language page per remedy, and sets each portrait beside the real toxicology and modern pharmacology of its source substance. It is a study and reference aid, not medical advice.
1The idea in one paragraph
Homeopathy, founded by Samuel Hahnemann around 1800, rests on a single proposition: like cures like. A substance that produces a set of symptoms in a healthy person is given, in a very dilute and shaken form, to a patient whose illness shows a similar set of symptoms. To use it, a practitioner takes the whole case — the totality of the patient's symptoms, physical and mental — and matches it to the most similar remedy picture. Everything else in the vocabulary below follows from that.
2The words you will meet
| Term | In plain words |
|---|---|
| Proving | The old method of building a remedy's picture: healthy volunteers take a substance and record every symptom it produces. The remedy's "portrait" is the sum of those symptoms. |
| Keynote | A striking, characteristic symptom that strongly points to one remedy — a shortcut to the right choice. |
| Modality | What makes a symptom worse (aggravation) or better (amelioration) — time of day, temperature, motion, food, emotion. |
| Totality | The whole picture of the case — mind, body, modalities, and the patient's constitution — taken together, not symptom by symptom. |
| Constitution | A person's enduring make-up (build, temperament, tendencies) which some remedies are said to match — e.g. the chilly, sweaty Calcarea type. |
| Potency / trituration | The serial dilution-and-succussion by which a preparation is made; trituration is the grinding of the original material. |
| Repertory | An index of symptoms with the remedies that have shown each one — the reverse of a materia medica. |
| Nosode | A remedy made from diseased material (e.g. a discharge or a culture) rather than from a plant or mineral. |
| Sarcode | A remedy made from healthy tissue or a secretion (e.g. an organ extract). |
| Imponderable | A remedy made not from a weighable substance but from a force — sunlight, moonlight, electricity, magnetism, radiation. |
3How to read a remedy page
Every portrait follows the same shape: the essence (the whole remedy in one breath), the substance (what it is made from), the traditional picture (mind, body, modalities, affinities), where the picture comes from (the real toxicology and history), the substance in real medicine (its documented modern pharmacology), look-alikes, and a safety note. Read it top to bottom and you have met the remedy whole. There is a diagram of this on the About page.
4About the science sections
Each remedy page has two halves that are deliberately kept apart. The traditional picture reports what the classical authors recorded. The substance in real medicine reports what the source material actually does in modern pharmacology — the arsenic that treats leukaemia, the foxglove that is digoxin, the bee venom that cures sting allergy. Where the source substance has no modern medical use, the page says so plainly. The research debate on ultra-dilute preparations themselves — the supporting work and the placebo consensus — is set out once, on the Evidence page.
5Where to go next
- Search by symptom — the fastest way in. Try burning, worse midnight, or fear of death on the Search page.
- Browse by condition — everyday complaints with their most-used remedies, on the Diseases page.
- Practise — flashcards and a quiz on the Study page.
- Go deeper — the Glossary, the mini-repertory, and the About page.