- Allen HC — The keynotes that separate this remedy from its nearest neighbours.
“Hahnemann's (Tinctura acris sine Kali) Adapted to persons with dark hair and rigid fibre; weakly, psoric, with excessively yellow, sallow complexion ; subject to affections of respiratory and urinary tracts. Children with dark hair and eyes, delicate, sensitive, skin prone to intertigo during dentition (Lyc.), or…”
- Allen TF — A compiled symptom record drawing on proving reports and other named observations.
“"Tinctura acris sine Kali." Preparation , Distil a mixture of slaked lime and a solution of Potassium sulphate according to directions given in the Homœopathic Dispensatory. The distillate contains Potassium hydrate, but no lime nor Sulphuric acid. Some effects of Caustic potash (Kali causticum, Potassium hydrate) are…”
- Boericke — The quick clinical read — keynotes, modalities and the conditions it is actually prescribed in.
“Hahnemann's Tinctura acris sine Kali Manifests its action mainly in chronic rheumatic, arthritic and paralytic affections, indicated by the tearing, drawing pains in the muscular and fibrous tissues, with deformities about the joints; progressive loss of muscular strength, tendinous contractures. Broken down seniles…”
- Boger (Syn) — Generals and modalities in a short analytical portrait rather than a symptom list.
“NERVES: Motor. Sensory. MUSCLES: BLADDER. LARYNX. Limbs. Respiration. Skin. Right side; face. Air: DRY COLD. Raw. WINDS. Drafts. Extremes of temperature. Stooping. Suppressions. Coffee. 3-4 A.M. OR EVENING. Exertion. Change of weather. A COLD DRINK (EVEN CHILLS). Washing. Warmth; of bed. Gentle motion. Sensitive to…”
- Clarke — The widest entry — sources, provings, clinical uses, relationships and antidotes in one place.
“Tinctura acris sine Kali. Potassium Hydrate. Obtained by distilling a mixture of slaked lime and a solution of potassium sulphate. Tincture with spirit. Acne rosacea / Agalactia / Amaurosis / Apoplexy / Arthritis deformans / Bladder, affections of / Bronchitis / Burns / Cataract / Chorea / Coccygodynia / Constipation…”
- Dunham — The method — how symptoms are weighed before a remedy is differentiated.
“THIS drug is known only to the homoeopathist, at least under this name. What is it? Hahnemann directed it to be prepared as follows: “Take a piece of recently prepared quicklime weighing about two pounds, immerse it for a minute in a vessel full of distilled water, and then lay it in a dry cup, where it soon becomes…”
- Farrington — The differential diagnosis — remedy families narrowed through direct clinical comparison.
“CAUSTICUM. Causticum is evidently a potash preparation, but its exact composition I do not know. Hahnemann was not able to define it, and chemists since his time have not been able to tell of what it is composed. Nevertheless it is a unique remedy, and is one that we cannot do without in practice. The drug is…”
- Guernsey — The leading characteristics — a compact bridge from repertory result to remedy study.
“We are led to think of this remedy particularly on seeing a patient with a tendency to scrofula, or having a weakened and emaciated appearance. This weakness may result from grief of long standing, or from some diseased condition. The skin of the patient often has a dirty white look. Mental.--Sadness; whining mood…”
- Hahnemann (CD) — The antipsoric proving record — Hahnemann's later materia medica in its chronic-disease setting.
“CAUSTIC SUBSTANCE. Lime, in the state of marble, owes its insolubility in water and its mildness to an acid of the lowest order which is combined with it ; when heated to red heat the marble allows this acid to escape as a gas. During this process the marble, as burned lime, has received (besides the latent heat)…”
- Hering — Graded symptoms, each weighted by how often provers and practice confirmed it.
“Tinctura acris sine Kali. Causticum was first mentioned by Hahnemann in his Apothekerlexicon. His views are fullyset forth in the first volum, published in the year 1793, under the word "Feuer," on p. 293, and in the last volume, published in 1799, under "Spiesglanztinctur," p. 256. His mode of preparation is found in…”
- Hughes & Dake — The source evidence — provings and poisonings retained with their experimental context.
“A peculiar preparation of Hahnemann's, probably a solution of caustic potash. 1. Provings.-I . HAHNEMANN, Fragmenta de Viribus. (There called " Acris tinctura.") Contains 30 symptoms from self. 2. IBID., Mat. Med. Pura, vol. ii of first and second editions. (Not included in translation, because omitted in 3rd edition…”
- Kent — The mental and general picture — how Kent organizes the remedy’s historical symptom portrait.
“Causticum is a very searching medicine, suitable in old, broken down constitutions, suffering from chronic diseases. Only occasionally is it indicated in acute diseases. Its complaints are such as are progressive, slow, and accompanying a declining state of the economy. Muscular power: Gradual decrease of muscular…”
- Lippe (KN) — Only the symptoms Lippe considered reliable enough to prescribe on.
“Rheumatic and gouty tearing in the limbs, relieved by warmth, especially by the heat of the bed. Tension in the limbs with paralysis, especially of the extensor muscles. Paralytic trembling, debility of the limbs when out of bed. Numbness of the single parts or of the right side of the body. In children, soreness…”
- Lippe (MM) — The strict Hahnemannian reading — the symptom picture without clinical interpretation.
“Melancholy, peevish. Low-spirited, with fearful anxiety, day and night. Attacks of anger, with scolding. Afraid at night (in the dark room; the child does not want to go to bed alone). Giddiness, with sensation of weakness in the head. Stitches in the temples. Tension and tightness in the head, and of the scalp…”
- Lippe (Red) — Keynotes with the most-trusted ones marked as red-line symptoms.
“Common name: hahnemann's tinctura acris sine kali. Adapted to persons who are subject to affections of respiratory and urinary tracts (Lyc., Merc., Nat-M.) (A.). Useful for dark-haired persons with rigid fibres, psoric constitutions, suffering from long ago suppressions of skin diseases (N.). Disturbed functional…”
- Nash — The comparisons — the remedy set beside the ones it is most often confused with.
“Great weakness, faint-like goneness, culminating in local paralysis (vocal organs, tongue, muscles of deglutition, eyelids, face, bladder and extremities). Obstinate neuralgias, especially of psoric origin; pains of a cramping, drawing nature. Sensation of sore, rawness (scalp, throat, larynx and trachea, chest…”
