Guide
Why remedy names are in Latin, and how to read them
Arnica montana, Nux vomica, Rhus tox: the naming system behind homeopathic remedies, decoded — plus the abbreviations and the pitfalls.
2026-07-05

Open any homeopathic reference and you meet a wall of Latin: Arnica montana, Rhus toxicodendron, Natrum muriaticum. The names feel like gatekeeping, but the system is actually the opposite — it exists so that everyone, everywhere, means the same thing. Ten minutes of decoding makes the entire literature legible.
The names are just source labels
A remedy's name is the scientific name of its source substance — the same binomial system biology uses everywhere. Arnica montana is a specific alpine daisy. Apis mellifica is the honeybee. Pulsatilla is the windflower. Hahnemann wrote in an era when Latin was science's shared language, and the convention stuck for the same reason it stuck in botany: common names are regional and ambiguous ("leopard's bane" names several unrelated plants), while the Latin binomial is exact.
Mineral names are Latinized chemistry: Natrum muriaticum is sodium chloride — table salt. Kali names are potassium compounds; Ferrum is iron; Calcarea carbonica is calcium carbonate. Read them as a chemist with a classical education would, because that is who wrote them.
The abbreviations everyone actually uses
In practice, the literature and the labels shorten everything, usually to the first word plus an epithet fragment:
- Arn. — Arnica montana
- Rhus tox. — Rhus toxicodendron (poison ivy)
- Nat mur. — Natrum muriaticum
- Nux vom. — Nux vomica (the strychnine tree's seed)
- Puls. — Pulsatilla
A full label combines the name with a potency: Arnica montana 30C — source plus preparation, both parts decoded in our potency guide.
Three pitfalls the Latin hides
- Close names, unrelated remedies. Natrum muriaticum and Natrum sulphuricum share a first word and nothing else that matters; abbreviations like "Nat-m" versus "Nat-s" carry the whole difference. When ordering a specific remedy, spell out the full name — we confirm by email before preparing anything, and this is one reason why.
- Menacing names, diluted sources. Newcomers are startled to find belladonna and arsenicum in the literature. The names refer to sources; at common potencies, the dilution arithmetic means the vial is not the poison — though it is also the honest reason mainstream science is skeptical the vial is anything else. Both halves of that sentence are true; read them together.
- A name is not a match. Recognizing a famous name is not case-taking. The name tells you what the source was, never whether the pattern fits — that judgment lives in modalities, concomitants, and honest observation.
Why we keep the Latin visible
Our acute pages use "-like pattern" phrasing — "an Apis-like picture" — precisely to keep the education in the pattern rather than the brand name. But we keep the Latin names visible rather than translating them away, because they are the index to two centuries of literature. Learn to read them and every serious reference opens up; and when a real situation needs more than a reference, the intake is where organized reading turns into an organized case.