Conium maculatum
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
Conium maculatum
Poison Hemlock. Umhellifercc.
The “Balm of Gilead” for diseases of old maids and women during and after climacteric.
Especially for diseases of old men; old maids; old bachelors ; with rigid muscular fibre ; persons with light hair who are easily excited; strong persons of sedentary habits.
Debility of old people; complaints caused by a blow or fall; cancerous and scrofulous persons with enlarged glands; rigid fibre.
No inclination for business or study; indolent, indifferent, takes no interest in anything.
Memory weak, unable to sustain any mental effort.
Morose ; easily vexed ; domineering, quarrelsome, scolds, will not bear contradiction (Aur.) ; excitement of any kind causes mental depression.
Dreads being alone, yet avoids society(Kalic.,Lyc.).
Glandular induration of stony hardness ; of mammae and testicles in persons of cancerous tendency; after bruises and injuries of glands (compare, Aster, rub.).
Breasts sore, hard and painful before and during menstruation (Lac c.. Kali c.).
Vertigo : especially when lying down or turning in bed ; moving the head slightly, or even the eyes ; must keep head perfectly still; on turning the head to the left (Col.); of old people; with ovarian and uterine complaints.
Cough : in spasmodic paroxysms caused by dry spot in larynx (in throat. Act.) ; with itching in chest and throat (Iod.) ; worse at night, when lying down, and during pregnancy (Caust., Kali br.).
Great difficulty in voiding urine; flow intermits, then flows again; prostatic or uterine affections.
Menses : feeble, suppressed ; too late, scanty, of short duration; with rash of small red pimples over body which ceases with the flow (Dul.); stopped by taking cold; by putting hands in cold water (Lac d.).
Leucorrhoea: ten days after menses (Bor., Bov.); acrid; bloody; milky; profuse; thick; intermits.
Bad effects : of suppressed sexual desire, or suppressed menses; non-gratiflcation of sexual instinct, or from excessive indulgence.
Aversion to light without inflammation of eyes; worse from using eyes in artificial light; often the students’ remedy for night work; intense photophobia (Psor.).
Sweat day and night, as soon as one sleeps, or even when closing the eyes (Cinch.).
Relations. — Patients requiring Conium often improve from wine or stimulants, though persons susceptible to Conium cannot take alcoholic stimulants when in health.
Compare: Arn., Rhus in contusions; Ars., Aster, in cancer; C^., Psor. in glandular swellings.
Is followed well : by Psor. in tumors of mammae with threatening malignancy.
Aggravation. — At night; lying down; turning or rising up, in bed; celibacy.
What the other books say about Conium maculatum
The same remedy read by a different author. They disagree, and the disagreements are where the remedy becomes recognisable.
- Conium maculatum in Boericke — The concise clinical Materia Medica that most Indian colleges teach from, in full.
- Conium maculatum in Farrington — Lectures that teach remedies in families, by comparing them with each other.
- Conium maculatum in Kent — Kent teaching a class, one remedy at a time — fewer remedies, far more on each.
- Conium maculatum 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. Conium maculatum — Keynotes, pp. 105–107. HomeopathyWorld, https://homeopathyworld.in/materia-medica/books/allen/conium-maculatum. 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.