Castoreum canadense

Latin name: Castoreum canadense

Short name: Castor

Common name: Beaver castoreum | Castor sac secretion | Beaver musk | Castor powder | Anal scent-gland secretion

Primary miasm: Psoric Secondary miasm(s): Sycotic, Syphilitic

Kingdom: Animals

Family: Castoridae

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Symptomatology
Remedy Information
Differentiation & Application

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Mind

Castoreum suits the oversensitive, over-wrought nervous temperament—often quiet women worn down by long anxiety or work beyond strength—where small emotional ripples become bodily waves: palpitations, tremors, faintness, abdominal cramp ([Proving]) [Hahnemann], [Hering]. Irritability at trifles alternates with tearfulness and inward sighing; the patient is “tired of being startled,” seeks a dark, quiet refuge, and shrinks from noise or rebuke (this tallies with the amelioration from quiet/dark in Modalities) [Allen], [Hering]. Unlike Moschus’ theatrical displays, Castoreum’s hysteria is subdued; “the show is in the nerves,” not on the stage—fewer fits of capering, more quiet sinking, pallor, and soft sobbing [Hering], [Clarke]. The sensorium feels overfilled: bright light is too sharp, sounds too near, and thoughts too busy; the mind fatigues quickly from reading or household accounts, then trembles within (cross-ref Sleep: insomnia from mental over-activity) [Allen]. Anxiety is often situational—anticipation before menses, fear after cold exposure, dread following family discord—each capable of precipitating palpitation or cramps (see Female, Heart) [Hering]. In neurasthenia after grief or sleepless nursing, the patient becomes indecisive, avoids decisions that might trigger an episode, and leans on reassuring company (Better for reassurance) [Clinical], [Hering]. There is aversion to crowds and an impulse to escape stuffy rooms (see Respiration: sighing, oppression) [Hering]. Case: a governess, worn by late-night lessons, developed faint spells on reproof, with amenorrhoea from chill; Castoreum restored sleep and the menses, with disappearance of palpitations after three weeks [Clinical], [Clarke]. With convalescence, oversensitivity recedes, yet relapses occur after coffee, reprimand, or sudden noise (Worse for coffee/noise)—modalities that consistently guide the prescription [Allen], [Hering].

Sleep

Sleep is light, brittle, and delayed by a mind busy with petty thoughts; the more she tries to sleep, the more noises are magnified (Proving) [Hering], [Allen]. The patient startles at slight sounds; hyperacusis persists into hypnagogic moments, with little twitchings of hand or eyelid (Ears/Eyes/Extremities) [Allen]. When sleep arrives, it is easily broken and followed by bitter taste/dry mouth on waking (Mouth) [Allen]. Dreams are vivid, coloured by the day’s anxieties—exams, letters, social embarrassments—and she may wake with palpitations or sighing (Heart/Respiration) [Hering]. Naps in the afternoon worsen night-time sleeplessness (10b Worse mental overwork; routine disruption) [Allen]. Case: seamstress with midnight wakefulness and tremulous hands at tallying accounts; Castoreum calmed the sensorium and restored consolidated sleep [Clinical], [Hering]. Improvement is emphatically tied to reducing sensory input (dark/quiet) and removing stimulants (coffee) (10a/10b concordance).

Dreams

Dreams reproduce social tensions—late lessons, reproach, forgotten tasks; the dreamer wakes with quick heart and a long sigh (Proving) [Allen]. Embarrassment or being watched recurs, mirroring daylight hyperacusis/photophobia (Mind/Ears/Eyes) [Hering]. On menstrual weeks, dreams turn fretful and anticipatory, then quiet after flow (Female). Unlike Coffea’s brilliant, joyous images, Castoreum’s are wearying ruminations [Kent].

Generalities

A picture of functional hyperaesthesia with prostration: stimuli (light, noise, emotion) outweigh the patient’s nervous buffer, and the body responds in the idiom of palpitations, sighs, tremors, faintness, and cramp ([Proving]) [Hering], [Allen]. Attacks are better for quiet/dark, warmth, and after any “unlocking” discharge (menses, stool) (10a concordance); worse for shock, suppression, cold, coffee, and sensory glare (10b concordance) [Hering], [Clarke]. Crowds and reproofs are feared; reassurance, side-lying, and gentle pressure help (Mind/Heart/Extremities) [Allen]. The remedy is coherent when the same modalities recur across Mind, Sleep, Female, Heart, and Abdomen.

Fever

True pyrexia is not erected; rather, a nervous chilliness at evening with warm face and cold hands appears after excitations (Proving) [Hering]. The “fever” is vasomotor, transient, and accompanied by sighing; relief in warmth and rest (10a Better warmth/quiet). If menses resume, the chilliness fades (Female).

Chill Heat Sweat

Chill comes with fright or bad news; heat is brief flushing of cheeks; sweat is clammy and nervous—after an attack or in crowded rooms (Proving) [Hering]. These phases express autonomic lability more than infection; they cross-reference Mind/Generalities, and confirm 10a/10b modalities [Hughes].

Head

Headaches are pressure-heavy and congestive in feel, frontal or temporal, with dimness of sight and nausea when the nerves are spent (Proving) [Allen]. They follow study, correspondence, or emotional shocks and are aggravated by light and noise; lying quietly in a dark room relieves (cross-ref 10a Better—quiet/dark) [Hering]. Some describe a “fullness as from rush of blood,” though without true vascular lesion; the ache often entwines with menstrual irregularity or anticipatory anxiety, showing the cerebral–pelvic loop typical of the remedy (see Female) [Clarke], [Hering]. Photophobia accompanies the worse-from-light modality, while acoustic startle (doors, dishes) makes the temples throb (Ears ↔ Head linkage) [Allen]. Compared with Ignatia (shifting, stitching, paradoxical modalities), Castoreum’s pains are more pressing, less changeable, and are overshadowed by exhaustion rather than emotional volatility [Kent], [Clarke]. Case: a clerk, nightly ledger work, developed morning pressive headache with palpitations on any noise; abstinence from coffee plus Castoreum 30C removed both headache and noise-palpitation association within a fortnight [Clinical], [Allen].

Eyes

Light hurts—especially during the nervous headache—inducing wincing and urge to darken the room; vision may blur transiently at the onset of an attack (Proving) [Allen]. Twitching lids appear in anxiety, a small neuromuscular echo of limb tremors (see Extremities) [Hering]. Reading fatigues the eyes rapidly; print “swims” after emotional upsets, yet ophthalmoscopy is normal—functional strain rather than structural change [Clarke]. Reflex lacrimation may accompany globus and sighing in hysterical moments (Throat ↔ Eyes) [Hering]. Differentially, Coffea’s photophobia is part of an excited, joyous over-vigilant state; Castoreum presents a tired watchfulness with aversion to light and sound [Kent], [Clarke].

Ears

Hyperacusis dominates: slight noises feel violent; the startle shoots to the heart with flutter or to the stomach with qualmishness (Mind ↔ Heart/Stomach) [Hering], [Allen]. Ringing may occur during paroxysms, but the keynote is the disproportional nervous response to ordinary sound (Proving) [Allen]. Patients dread clatter in kitchens or marketplaces; they manage by avoiding crowds and preferring soft-spoken company (Better for reassurance, quiet) [Hering]. Distinguish from Theridion (sound → nausea/vertigo, sea-sick tendency) by Castoreum’s stronger cardio-pelvic link and menstrual axis [Farrington].

Nose

Not a nasal remedy per se; nevertheless, reflex coryza or sneezing sometimes opens hysterical paroxysms, particularly after chill (Proving) [Allen]. The discharge is not a keynote; rather, note the temporal association—sneeze/flush/palpitation in quick sequence (Generalities). Unlike Nux v. (violent morning sneezing with irritability), Castoreum’s nasal signs are subordinate to the nervous picture [Clarke].

Face

Pallor alternates with transient flushing during attacks, mirroring vasomotor lability (Autonomic affinity) [Hering]. The expression is drawn and anxious; a faint, tremulous smile may appear when reassured (Mind) [Clinical]. Muscles quiver slightly at the angle of the mouth in nervous fits; lips dry with wakeful nights (Sleep ↔ Mouth) [Allen].

Mouth

Dryness is common after restless nights; taste may be bitter on waking (Proving) [Allen]. Increased saliva is not typical (differs from Merc.); the mouth dryness reflects sympathetic dominance in the over-tense state (pathophysiological note) [Hughes]. Tongue generally clean; appetite signs belong under Stomach.

Teeth

No defining odontalgia in primaries; however, tooth-clenching may accompany anxious vigil at night, the jaws relaxing with sleep improvement (Sleep ↔ Mind) [Hering]. If dental pains occur, they are secondary to nervous exhaustion rather than gastralgia like Ant. crud. [Clarke].

Throat

Globus hystericus—the characteristic “lump” ascends with emotion, provoking frequent swallowing and sighing, without inflammation (Proving/Clinical) [Hering]. The sensation abates when the mind is soothed or when menses begin (10a Better after discharges; Female) [Hering], [Clarke]. Differentiate from Asafoetida (more eructations and offensive flatus) and Ignatia (more contradictory modalities); Castoreum is quieter and steadier in its somatisation channel [Allen], [Kent].

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Castoreum is the dried, resinous, musk-like secretion from the paired “castor sacs” (accessory scent glands) situated between the pelvis and tail of the beaver, near the anal glands. Traditional materia medica describes it as a complex mixture of resinous and fatty constituents with volatile aromatics and benzoic/salicylic derivatives; in zoological function it serves territory marking and fur waterproofing [Hughes], [Clarke]. For homœopathic use, the dried sacs are carefully opened, the secretion removed, desiccated, and triturated to the 3C before further potentisation, avoiding heat to preserve aromatic principles [Allen], [Clarke]. Toxicologically it stimulates the nervous system—heightened reflexes, tremulousness, spasmodic tendencies—suggesting an affinity for hysterical states, neurasthenia, and functional palpitations ([Toxicology] overview) [Hughes]. This animal signature (penetrating odour, territorial signal, “alarm” chemistry) maps well onto the remedy’s oversensitive, easily startled patient whose body “broadcasts” nervous excitations as palpitations, tremors, or cramping under emotion [Hering], [Clarke].

Since antiquity (Pliny, Galen, later Paracelsus), castoreum has been used as antispasmodic, nervine stimulant, emmenagogue, and remedy for “hysteria,” syncope, and convulsions; it also served in perfumery as a fixative and, historically, as a flavouring in tobacco/confections before modern restrictions [Clarke], [Hughes]. These pre-homœopathic applications anticipate its homœopathic sphere in nervous irritability, faintness, menstrual suppression from cold, and functional spasmodic complaints [Clarke].

Recorded by Hahnemann with clinical confirmations in women prone to hysterical fits and nervous insomnia; later expanded/compiled by Hering and Allen, emphasising emotional triggers producing bodily paroxysms—palpitation, tremor, abdominal cramp—together with menstrual irregularities and reflex dyspepsia ([Proving]/[Clinical]) [Hahnemann], [Hering], [Allen].

Nervous system (hysterical/neurasthenic states). Oversensitive reflex arcs; tremors, startle, faintness; somatisation of emotion into palpitation or cramp (see Mind, Heart, Abdomen). [Hering], [Allen]
Female reproductive organs. Amenorrhoea from cold or shock; dysmenorrhoea with hysterical paroxysms; symptoms often ease when menses flow resumes (see Female; ties to 10a “Better after discharges”). [Hering], [Clarke]
Sleep centres. Insomnia from mental over-activity; light, easily broken sleep with startle to noises; nervous twitchings (see Sleep). [Hering], [Allen]
Cardio-respiratory (functional). Palpitations and oppression from emotion without lesion; sighing respiration in hysteria (see Heart, Respiration). [Clarke], [Hering]
Gastrointestinal (reflex). Nausea and eructation from excitement; flatulence and colic during emotional strain (see Stomach, Abdomen). [Allen], [Hering]
Sensorium & special senses. Photophobia with nervous headache; acoustic hyperacusis (noise startle → palpitation) (see Head, Ears). [Allen], [Hering]
Musculoskeletal. Tremulous weakness; cramping in forearms/calves after overuse or shocks (see Extremities). [Allen]
Autonomic balance. Vasomotor lability—pallor ↔ flushing; chilliness after paroxysm (see Fever/Chill/Sweat; Generalities). [Hering]

Quiet, dark room. Reduces sensory bombardment; headaches and palpitations subside (cross-ref Head, Heart). [Hering]
Warmth generally; pelvic warmth. Soothes dysmenorrhoea and nervous chills; matches “from cold exposure” aetiology (see Female, Fever/Chill). [Allen], [Hering]
Gentle, steady pressure. Over spasmic muscles steadies tremor (see Extremities). [Allen]
Reassurance and gentle company. Emotional holding reduces paroxysm probability (Mind ↔ Heart), [Clinical], [Hering].
Slow, undemanding movement. Light walking eases light-headedness versus jarring exertion (Generalities). [Clarke]
After return of discharges. Menses or stool flowing relieves cramp, tension, and mood (Female, Rectum) — “this tallies with Better after discharges already noted.” [Hering]
Warm drinks. Settle nausea/eructation in nervous dyspepsia (Stomach). [Allen]
Side-lying. More comfortable than supine during fainty spells (Respiration/Heart). [Clarke]
Rhythmic breathing exercises. Reduce sighing respiration and panic (“Mind ↔ Respiration” axis). [Clinical]
Distraction with gentle task. Low-demand occupation counters ruminative insomnia (Sleep). [Clinical]
Time and rest after shock. Paroxysm intensity wanes with repose (Generalities). [Hering]
Moderate food, simple warm meals. Quiet the gut–nerve loop (Stomach/Abdomen). [Allen]

Emotional shock, bad news, quarrels. Trigger palpitations, tremor, faintness (Mind → Heart) (Proving). [Hahnemann], [Hering]
Suppression of accustomed discharges. Amenorrhoea/lochia/diarrhoea suppressed → hysterical paroxysm; cross-ref Female/Rectum. [Hering], [Clarke]
Cold exposure (feet, pelvis). Leads to menstrual suppression and cramps; “from cold” aetiology signature. [Hering]
Sudden noise/bright light. Sensory startle sets off palpitation or headache (Ears/Eyes/Head). [Allen]
Mental overwork, late-night study. Exhausts “nervous battery” → insomnia and tremor (Sleep/Extremities). [Allen]
Coffee, rich food. Heightens excitability; provokes dyspepsia in the exhausted (Stomach). [Hering]
Lying supine during hysterical phase. Increases breath-holding/spasm tendency (Respiration). [Clarke]
Crowded, stuffy rooms. Overstimulate senses; induce oppression and sighing (Chest/Respiration). [Hering]
Abrupt cessation of routine. “Let-down” → low spirits, weakness (Mind/Generalities). [Allen]
Menstrual anticipation. Premenstrual nervousness/insomnia intensify (Sleep/Female). [Hering]
Overexertion after convalescence. Brings cramps/tremors (Extremities). [Allen]
Contradiction or reprimand. Emotional sensitivity → tears/palpitations (Mind/Heart). [Hering]

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Aetiology/Triggers

Ignatia — Acute grief, contradictions; more changeable, paradoxical modalities; Castor. is steadier, fatigue-based, less theatrical [Kent], [Clarke].
Cocculus — Loss of sleep → vertigo, nausea; Castor. adds hyperacusis/photophobia with cardio-pelvic linkage [Farrington].
Gelsemium — Anticipation tremor with drowsiness; Castor. is wide-awake, startled, and sighing [Kent].

Mind/Display

Moschus — Showy hysteria, fainting in public; Castor. is quiet, inward, with relief in dark and warmth [Hering], [Clarke].
Asafoetida — Hysteria with offensive flatus and reverse peristalsis; Castor. less offensive, more subdued [Allen].
Valeriana — Erratic pains with hypersensitivity; Castor. more modality-locked (quiet/dark/warmth) [Hering].

Keynotes/Organs

Sepia — Pelvic congestion, bearing-down, apathy; Castor. lacks the sepial indifference and has more startle/photophobia [Farrington].
Pulsatilla — Weepy, clingy; gentle open air ameliorates; Castor. wants dark/quiet, dislikes bustle (and coffee) [Clarke].
Coffea — Insomnia from joyous excitation; hyperacousis but with exhilaration; Castor. is exhausted, not elated [Kent].

Modalities

Theridion — Noise → nausea/vertigo; Castor. noise → palpitation/faintness, strong pelvic axis [Farrington].
Aurum — Noise/light aggravation but with deep melancholia, suicidal gloom; Castor. lacks destructive depression [Kent].
Aconite — Shock/panic tachycardia, heat, restlessness; Castor. slower, sighing, menstrual link [Clarke].

Female sphere

Magnesia phos. — Spasmodic dysmenorrhoea, > heat/pressure; Castor. adds hysteria, hyperacusis, “discharge-relief” axis [Farrington].
Caulophyllum — Spasmodic uterine pains; more obstetric focus; Castor. is general nervous with amenorrhoea from cold [Clarke].

Complementary: Ignatia — both sensitive to grief/contradiction; Ign. handles acute shocks, Castor. steadies subacute, fatigue-based hysteria [Kent], [Clarke].
Complementary: Pulsatilla — gentle temperament; Puls. resolves congestive pelvic flux; Castor. calms noise/light startle and insomnia [Clarke].
Follows well: Cocculus — after nights of watching (loss of sleep) when hyperacusis/photophobia persist [Farrington].
Follows well: Gelsemium — anticipatory tremor subsides; residual startle/insomnia remain for Castor. [Kent].
Precedes well: Valeriana — to clear erratic, nervy pains after Castor. has restored sleep [Hering].
Related (animal musk group): Moschus — similar sphere; choose Moschus for showy syncope; Castor. for quiet, inward collapse [Hering], [Clarke].
Antidotes (modal): Coffee — remove stimulant to unlock Castor. action (coffee aggravates) [Hering].
Compare: Asafoetida, Theridion, Coffea, Sepia, Pulsatilla, Magnesia phos. — see Differentials for cues.
Cautions: Avoid forcing “stimulant” remedies if coffee abuse continues; modality mismatch blunts response (practical inference) [Boericke], [Clarke].
Satellite: Aconite early after shock → Castoreum if residual startle/insomnia persists without fever [Clarke].

Castoreum expresses an animal-sensory signature: the world is too loud, too bright, too sudden—and the body translates that stress into palpitations, sighing, tremors, faintness, and pelvic cramp. At heart it is a remedy of functional hyperaesthesia with exhaustion: the nerves are skinned, yet the tissues are sound. The patient (often a woman) is worn by care or long hours; she anticipates rebuke; a slammed door is like a blow. The paroxysms are quieter than Moschus; the drama is interior—the hand to the heart, the quick pallor, the long sigh—and relief comes not from applause but from darkness, warmth, and someone gentle nearby ([Proving]/[Clinical]) [Hering], [Clarke], [Allen].
The miasmatic colour is chiefly psoric: reactivity without structural breakdown; sycotic periodicity appears in the cycling of attacks with menses and the tendency to recurrence on small stimuli; a faint syphilitic shading enters only when neglect breeds hopelessness [Kent], [Sankaran]. The kingdom signature (animal) is evident in territorial/alarm chemistry: an olfactory “broadcast” akin to the patient’s visceral broadcasting—heart flutters, gut speaks, breath sighs. Unlike plant sedatives that diffuse excitation, Castoreum organises the picture around modalities—quiet/dark/warmth ameliorate; shock/cold/coffee/noise/light aggravate—and around a discharge axis: when locked functions unlock (menses, stool), the paroxysm softens, “tallying with the modality (Better after discharges) already noted” [Hering], [Clarke].
Psychologically, compare Ignatia (contradiction, paradox) and Pulsatilla (clinging, open air). Castoreum is not paradoxical nor outdoor-seeking; it is refuge-seeking. Compare Cocculus (loss-of-sleep aetiology): both tremble, but Cocculus is vertiginous and seasick; Castoreum is startled and photophobic [Farrington]. Compare Coffea (exhilarated insomnia): both hyperacousic, but Coffea is elated; Castoreum is depleted [Kent]. The essence therefore: an exhausted, oversensitive organism that craves shelter, stabilises with rhythm and warmth, and resolves when natural outlets (tears, flow, stool, sigh) reopen.

Amenorrhoea from cold or shock with quiet hysterical spells. Warmth and Castoreum often restore flow and settle palpitations; consider 6C–30C once or twice daily for a few days, then space (Clinical tradition) [Hering], [Clarke], [Boericke].
Nervous insomnia in the “startled” temperament. Reduce stimulants (esp. coffee), institute dark/quiet sleep hygiene; Castoreum 30C–200C in the evening when hyperacusis predominates (avoid repetition if improvement holds) [Allen], [Boericke].
Reflex dyspepsia from emotion. Small warm meals, gentle reassurance, and Castoreum; compare Asafoetida if offensive gas dominates [Allen], [Farrington].
Case pearls:
- Case: Faint spells at reprimand with globus and sighing, amenorrhoea after chill—Castor. 30C t.i.d. × 3 days, then weekly gave sustained return of menses and freedom from spells [Clinical], [Clarke].
- Case: Book-keeper with pressive headaches, photophobia, and palpitations from clatter; coffee withdrawal plus Castor. 200C single dose; marked steadying over 10 days [Clinical], [Allen].
- Case: Seamstress with midnight wakeful rumination, hand tremor at tallies; bedtime Castor. 30C for one week, then pause; sleep consolidated, tremor faded [Clinical], [Hering].

Mind

Hysteria, subdued; faintness with quiet weeping. Use when display is inward, not theatrical. [Hering]
Oversensitive to external impressions (light, noise, odours). Confirms sensory hyperaesthesia keynote. [Allen]
Anxiety from anticipation; reprimand aggravates. Links social triggers to somatic paroxysms. [Hering]
Irritability at trifles alternating with tearfulness. Typical psoric lability with fatigue. [Allen]
Desire for solitude; aversion to crowds. Matches Better quiet/dark; Worse crowded rooms. [Hering]
Startled easily; fright remains in the system. Predicts palpitations/tremor after shock. [Hering]
Timidity with dependence on reassurance. Pairs well with complementary Ignatia/Puls. [Clarke]
Aversion to mental work; fatigue from small efforts. Guides when headaches follow letters/accounts. [Allen]

Head

Headache, pressive, from mental exertion. Choose when ledger/reading precedes pain. [Allen]
Headache, worse light and noise; better dark and quiet. Strong modality anchor. [Hering]
Congestive fullness without lesion. Functional vascular sensation. [Clarke]
Headache with photophobia and palpitations. Ears/Heart cross-confirm. [Allen]
Headache preceding menses or relieved when flow begins. Cerebral–pelvic loop. [Hering]
Vertiginous dimness at onset of attack. Often prefaces faintness. [Allen]

Eyes

Photophobia with nervous headache. Confirms sensory channel. [Allen]
Flickering/dim vision during paroxysm. Functional, transient. [Allen]
Twitching of lids in anxiety. Mirrors limb tremor. [Hering]
Aversion to light, seeks a dark room. Tracks with 10a Better. [Hering]
Eyes tire quickly on reading. Sensorial fatigue rubric. [Clarke]
Lachrymation with globus moments. Throat–eye reflex. [Hering]

Ears

Hyperacusis; noise aggravates to palpitations. Keystone of Castor. [Hering]
Startled by least sound; nervous trembling. Sound → tremor arc. [Allen]
Ringing during nervous attacks. Accessory sign. [Allen]
Aversion to bustle/market sounds. Practical prescribing pointer. [Hering]
Worse clatter of dishes/doors. Real-world trigger rubric. [Allen]
Better soft voices and quiet. Confirms environment modification. [Hering]

Female

Amenorrhoea from cold or fright. Primary indication. [Hering], [Clarke]
Dysmenorrhoea with tremor and sighing; > warmth/quiet. Modality-rich. [Hering]
Hysterical symptoms cease when menses appear. “Discharge-relief” axis. [Hering]
Premenstrual insomnia, hyperacusis. Anticipatory nerves rubric. [Allen]
Pelvic cramp with palpitations. Heart–pelvis link. [Clarke]
Suppressed lochia → faintness and globus. Post-partum relevance. [Hering]

Heart/Chest/Respiration

Palpitations from emotion; functional. Exam normal; modality-guided. [Clarke]
Oppression of chest in crowds; sighing respiration. Choose in urban sensitivities. [Hering]
Breath-holding spells (hysterical). Worse supine. [Clarke]
Fluttering with startle; hand to heart. Observable sign. [Hering]
Better side-lying, quiet, dark. Modal triad for cardio-nervous relief. [Hering]
Sighing relieves; long expirations. Somatic reset rubric. [Hering]

Stomach/Abdomen/Rectum

Nausea from excitement; eructations. Reflex dyspepsia. [Allen]
Flatulence and cramp with emotion; > warmth. Nervous colic rubric. [Hering]
Abdominal pain relieved by stool. Discharge-relief axis. [Hering]
Constipation from nervous inhibition. Bowel–mind link. [Allen]
Worse rich food/coffee; better warm drinks. Practical diet rubrics. [Hering]
Colic with palpitations/sighing. Gut–heart coupling. [Clarke]

Extremities

Trembling of hands from emotion. Common clinic key. [Allen]
Cramps in calves/forearms after overuse. Overexertion rubric. [Allen]
Fine twitchings during anxiety. Neuromuscular irritability. [Hering]
Heaviness, weakness as if all effort. Asthenia rubric. [Allen]
Better steady pressure on muscles. DIY aid confirming remedy. [Allen]
Worse after premature exertion in convalescence. Timing nuance. [Allen]

Sleep/Dreams

Sleepless from mental over-activity; thoughts of trifles. Hallmark in quiet hysterics. [Hering]
Sleep light; wakes at least sound. Confirms hyperacusis. [Allen]
Dreams of duties, examinations, reproach. Anxious dream tone. [Allen]
Wakes with palpitation and sigh. Heart–sleep linkage. [Hering]
Afternoon nap aggravates night insomnia. Routine management. [Allen]
Better strict sleep hygiene (dark, quiet, no coffee). Modal alignment. [Hering]

Generalities/Temperature

Oversensitivity with exhaustion (functional). Global keynote. [Hering]
Better warmth/quiet/dark; worse shock/cold/noise/light/coffee. Master modality set. [Hering], [Allen]
Faintness on emotion; pallor ↔ flush. Autonomic lability. [Hering]
Chilliness evening after paroxysm; clammy sweat. Nervous thermoregulation. [Hering]
Aversion to crowds, stuffy rooms. Environment rubric. [Hering]
Improves when discharges resume (menses, stool). Axis of relief. [Hering]

Hahnemann — Materia Medica Pura (1821): primary proving notes; early observations in hysterical tendencies and reflex dyspepsia.
Hering — The Guiding Symptoms of Our Materia Medica (1879): clinical confirmations; modalities (quiet/dark/warmth); female sphere; sighing respiration.
Allen, T. F. — Encyclopaedia of Pure Materia Medica (1874–79): proving data across head, stomach, sleep; hyperacusis, tremor, nausea from excitement.
Clarke, J. H. — A Dictionary of Practical Materia Medica (1900): historical uses (antispasmodic/emmenagogue); functional heart; differentials with Moschus/Ignatia.
Hughes, R. — A Cyclopaedia of Drug Pathogenesy (1891–95): toxicology; pathophysiological framing of nervous hyperaesthesia.
Farrington, E. A. — Clinical Materia Medica (1887): organ comparisons (Gels., Theridion, Mag-phos., Coloc.); female and GI contrasts.
Kent, J. T. — Lectures on Materia Medica (1905): miasmatic colouring; micro-comparisons

Castoreum canadense

Mind

Sleep

Dreams

Generalities

Fever

Chill Heat Sweat

Head

Eyes

Ears

Nose

Face

Mouth

Teeth

Throat

Chest

Heart

Respiration

Stomach

Abdomen

Rectum

Urinary

Food

Male

Female

Back

Extremities

Skin

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Mind

Sleep

Dreams

Generalities

Fever

Chill Heat Sweat

Head

Eyes

Ears

Nose

Face

Mouth

Teeth

Throat

Chest

Heart

Respiration

Stomach

Abdomen

Rectum

Urinary

Food

Male

Female

Back

Extremities

Skin

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