Phosphoricum acidum

as H.C. Allen recorded it in Keynotes and Characteristics with Comparisons of Some of the Leading Remedies of the Materia Medica, 1899

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Keynotes

Phosphoric acid

Glacial Phosphoric acid. HPO3.

Best suited to persons of originally strong constitutions, who have become debilitated by loss of vital fluids, sexual excesses (Cinch.) ; violent acute diseases; chagrin, or a long succession of moral emotions, as grief, care, disappointed affection.

Ailments : from care, chagrin, grief, sorrow, homesickness (Ign.) ; sleepy, disposed to weep; night-sweats towards morning.

Pale sickly complexion, eyes sunken and surrounded by blue margins.

Mild, yielding disposition (Puls.).

Is listless, apathetic; indifferent to the affairs of life; prostrated and stupefied with grief: to those

PHOSPHORIC ACm—iConfzm^ed).

things that used to be of most interest, especially if there be debility and emaciation.

Delirium : muttering, unintelligible ; lies in a stupor or a stupid sleep, unconscious of all that is going on around him; when aroused is fully conscious, answers slowly and correctly and relapses into stupor.

In children and young people who grow too rapidly (Cal., Cal. p.) ; pains in back and limbs as if beaten.

Headache : crushing weight on vertex, from long lasting grief or exhausted nerves ; in occiput and nane : usually from behind forward, < by least motion, noise, especially music, > lying (Bry., Gels., Sib).

Headache of school girls from eye-strain or overuse of eyes (CaL.p., Nat. m.) ; of students who are growing too fast.

Patient trembles, legs weak, stumbles easily or makes missteps; weak and indifferent to the affairs of life.

Interstitial inflammation of bones, scrofulous, sycotic, syphilitic, mercurial ; periosteum inflamed, pains burning, tearing, as if scraped with a knife (Rhus); caries, rachitis, but not necrosis; growing pains.

Boring, drawing, digging pains in nerves of extremities; neurosis in stump after amputations (Cepa).

Diarrhoea : painless; not debilitating; white or yellow, watery; from acids; involuntary, with the flatus (Aloe, Nat. m.) ; choleraic, from fear.

Urine: looks like milk mixed with jelly-like, bloody pieces ; decomposes rapidly ; profuse urination at night of clear, zmtery urine, which forms a white cloud at (phosphates in excess, nerve waste).

once

Onanism; when patient is greatly distressed by the culpability of the act (compare Dios., Staph.).

Emissions : frequent, profuse, debilitating ; after coitus ; most desire, after ; several in one night ; abashed, sad, despair of cure (with irresistible tendency to masturbate, Ust.).

Chest: weak from talking or coughing (Stan.) ; in phthisis; nervous from loss of vital fluids, too rapid growth, depressing mental emotions.

Cerebral typhoid or typhus ; complete apathy and stupor; takes no notice, “lies like a log,” utterly regardless of surrounding; intestinal haemorrhage, blood dark.

Mur. ac. in typhoid; Nit. sp. d. in apathetic stupor and delirium.

Phos. ac. acts well before or after Cinch, in colliquative sweats, diarrhoea, debility; after Nux in fainting after a meal.

Aggravation. — From mental affections; loss of vital fluids, especially seminal; self abuse; sexual excesses; talking causes weakness in chest (Stan.).

What the other books say about Phosphoricum acidum

The same remedy read by a different author. They disagree, and the disagreements are where the remedy becomes recognisable.

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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. Phosphoricum acidum — Keynotes, pp. 216–218. HomeopathyWorld, https://homeopathyworld.in/materia-medica/books/allen/phosphoricum-acidum. 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.