Natrum carbonicum
as H.C. Allen recorded it in Keynotes and Characteristics with Comparisons of Some of the Leading Remedies of the Materia Medica, 1899
NATRIUM CARBONICUM
This is one author on one remedy. The few symptoms that, when genuinely present, point at one remedy and not its neighbours. Read Natrum carbonicum in every book at once →
Keynotes
Natrum carbonicum
Carbonate of Soda. NA^, COs, loH^O.
Constitutions with aversion to open air and dislike to exercise, mental or physical ; imbecility.
Great debility: caused by heat of summer (Ant. c. ) ; exhaustion from least effort, mental or physical ; ready to drop after a walk ; chronic effects of sunstroke.
Chronic effects of sunstroke; now, with return of hot weather, suffers from headaches. '
Emaciation with pale face and blue rings around the eyes, dilated pupils; dark urine; anaemic; milky, watery skin and great debility.
Inability to think or to perform any mental labor, causes headache; feels stupefied if he tries to exert himself ; comprehension slow, difficult.
Intolerable melancholy and apprehension; is wholly occupied with sad thoughts.
Attacks of anxiety and restlessness during a thunder storm (Phos.) ; < from music (Sab.).
Headache : from slightest mental exertion ; from sun or working under gaslight (Glon., Lach.) ; with tension, in nape or occiput before menses; head feels too large, as if it would burst.
Face pale, with blue rings around the eyes; eyelids swollen ; catarrh ; mucus in throat and posterior nares ; constantly hawking to clear the throat; dropping into the throat from posterior nares.
Catarrh: extends to posterior nares and throat; hawking much thick mucus from throat; profuse discharge during day, stopped at night (Nux).
Thick, yellow, green, offensive, musty, hard discharge from nose; often ceasing after a meal.
Aversion to milk; diarrhoea from it.
Bearing down as if everything.^ would come out (Agar., Lib, Mur., Sep.); heaviness,- < sitting, > by moving.
Discharge of -mucus from vagina after an embrace, causing sterility. .
Easy dislocation and spraining of ankle^ (^^effi) ; so weak\hat it gi9es way; foot bends under (Carbo an., Nat. m.).
, iting; Cal., Sep.
Follows well : after, Sep. in bearing down. Aggravations. — From music; in the sun; excessive summer heat; mental exertion; a thunder storm.
What the other books say about Natrum carbonicum
The same remedy read by a different author. They disagree, and the disagreements are where the remedy becomes recognisable.
- Natrum carbonicum in Boericke — The concise clinical Materia Medica that most Indian colleges teach from, in full.
- Natrum carbonicum in Farrington — Lectures that teach remedies in families, by comparing them with each other.
- Natrum carbonicum in Kent — Kent teaching a class, one remedy at a time — fewer remedies, far more on each.
- Natrum carbonicum in Boger — A compressed key — the generals and the characteristic modalities, with very little narrative.
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Cite this page. H.C. Allen. Keynotes and Characteristics with Comparisons of Some of the Leading Remedies of the Materia Medica. 3rd edition (1910). Philadelphia: Boericke & Tafel. Natrum carbonicum — Keynotes, pp. 196–198. HomeopathyWorld, https://homeopathyworld.in/materia-medica/books/allen/natrum-carbonicum. Published 1910: public domain in the US (before 1931) and in India (author died 1909). Replaces B. Jain's 2005 "rearranged and classified" edition (© the publisher), per the owner's decision of 13 Sep 2026. Reproduced as the author wrote it; a historical reference for students and practitioners, not medical advice.