by Adolph von Lippe — Text Book of Materia Medica
Excessively sore nipples, bleeding, suppurating, and only hanging on strings.
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Castor equorum appears in 6 of the 13 classic books on Similia. Each was written to do a different job — here is what each adds on this remedy, with the opening of its entry.
“"The rudimentary thumb-nail of the horse." The small, flat, oblong-oval, rough, dark, horny substance found on the inner side of the leg above the fetlock; called by Paracelsus Verrucæ equorum genuum. Preparation , Triturations. Authorities. Unusual laughing about not laughable things, 3. Vertigo, headache, nausea …”
“Rudimentary Thumb-nail of the Horse General action on thickening of the skin and epithelium. Psoriasis linguæ . The clinical experience of Hering and his fellow-provers has shown this to be highly useful remedy in cracked and ulcerated nipples . Affects principally female organs. Acts on the nails and bones; pain in…”
“The Rudimentary Thumbnail of the Horse. A small, flat, oblongoval horn, wrinkled on surface, breaking off in scales, darker than the hoof, growing on inner side of leg above fetlock. Scales triturated. Coccygodynia / Epilepsy / Nails, affections of / Nipples, cracked; ulcerated / Warts This is a very ancient remedy…”
“The Rudimentary Thumbnail of the Horse. A small, flat, oblong-oval horn, wrinkled on the surface, breathing off in scales, darker than the hoof, growing on the inner side of the leg above the fetlock of horses, styled by Oken "the rudimentary thumbnail of the horse," and by Paracelsus Verrucæ equorum genuum . The…”
“Common name: a red substance growing on the inside of the legs of the horse. Acts on nails and bones (Sil.). (Br.). Affects principally the female organs (Carb-An., Lach., Phos.) (Br.). Swelling and violent itching of the breasts (Bl.). SORE NIPPLES (Graph., Nit-Ac., Sil.). THEY ARE CRACKED AND RAGGED, AND ALMOST…”
Kent's Repertory lists Castor equorum in 91 rubrics. These are the ones where it carries the highest grade — the symptoms Kent treated as most characteristic. Most of them sit in EXTREMITIES (36), CHEST (12), STOMACH (9), HEAD (5), ABDOMEN (4).
