Sulphuricum acidum

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

Sulfuricum acidum

This is one author on one remedy. The few symptoms that, when genuinely present, point at one remedy and not its neighbours. Read Sulphuricum acidum in every book at once →

Keynotes

Sulphuric acid

Sulphuric Acid. H2SO4.

Adapted to the light-haired; old people, especially women ; flushes of heat in climacteric years.

Unwilling to answer questions not from obstinacy, but inaptness.

Feels in a great hurry; everything must be done quickly (Arg. n.).

Pain of gradual and slowly-increasing intensity which ceases suddenly when at its height, often repeated (Puls.).

The pain is pressure as of a blunt instrument. Tendency to gangrene following mechanical injuries, especially of old people.

Child has a sour odor despite careful washing (Hep., Mag. c., Rheum).

Sensation as if the brain was loose in forehead and falling from side to side (Bell., Bry., Rhus, Spig.).

Aphthae; of mouth, gums, or entire buccal cavity; gums bleed readily; ulcers painful; offensive breath (Bor.).

Chronic heartburn, sour eructations, sets teeth on edge (Rob.).

Water drunk causes coldness of the stomach unless mixed with alcoholic liquor.

Sensation as if trembling all over, without real trembling; internal trembling of drunkards.

Bad effects from mechanical injuries, with bruises, chafing and livid skin; prostration (Acet. ac.).

Ecchymosis; cicatrices turn blood-red or blue, are painful (turn green. Led.).

Petechia : purpura hsemorrhagica ; blue spots ;

livid, red itching blotches.

Haemorrhage of black blood from all the outlets of the body (Crot., Mur. ac.. Nit. ac.. Ter.).

Concussion of brain from fall or blow where skin is cold and body bathed in cold sweat.

Weak and exhausted from some deep-seated dyscrasia; no other symptoms (Psor., Sulph.).

Compare: Afs., Bor., Calend., Led., Ruta, Rheum, Symp.

In contusion and laceration of soft parts it vies with Calendula.

Follows well : after, Arn. with bruised pain, livid skin and profuse sweat ; after. Led. in ecchymosis.

Ailments, from brandy drinking.

Sulphuric acid, one part, with three parts of alcohol, lo to 15 drops, three times daily for three or four weeks, has been successfully used to subdue the craving for liquor. — Hering.

What the other books say about Sulphuricum acidum

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

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← Every remedy in Allen's Keynotes

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. Sulphuricum acidum — Keynotes, pp. 279–281. HomeopathyWorld, https://homeopathyworld.in/materia-medica/books/allen/sulphuricum-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.