Ferrum picricum

Picric acid—trinitrophenol—yields a family of “picrates” with various metals; the ferric salt (Ferrum picricum) inherits the nutritive–vascular stamp of Iron and the nerve–spinal “exhaustion” signature of Picric acid. In crude pharmacology, Picric acid is a marked neuro–spinal depressant with occipito-spinal heaviness and sexual prostration, while Ferrum confers the anaemic-plethoric alternation and genito-urinary vascularity; the combination historically found use in “neurasthenia” from sexual excess and in senile prostatic states with dribbling and nocturia [Hughes], [Clarke], [Boericke]. The homœopathic tincture is made from purified ferric picrate; our picture rests on provings collated by Allen and numerous clinical confirmations in prostatic hypertrophy, spermatorrhœa, impotence, nocturnal emissions with backache, “brain-fag” occipital headaches, and spinal tiredness after mental or sexual exertion [Allen], [Clarke], [Hering], [Farrington], [Boericke].

No Hahnemannian proving of large extent; the pathogenesis is drawn from Allen’s Encyclopædia and clinical experiences recorded by Clarke, Hering, Farrington and Boericke. Keynotes repeatedly verified: occipital and vertex heaviness from mental over-exertion; spinal tiredness with desire to lie flat; sexual neurasthenia (impotence; nocturnal emissions; spermatorrhœa); prostatic enlargement with dribbling, frequent night-calls, and weak stream; dull lumbar–sacral ache after emissions or coitus; memory fatigue (“brain-fag”) relieved by sleep; and a gentle, anaemic alternation of pallor with flush on exertion [Allen] [Proving], [Clarke] [Clinical], [Hering] [Clinical], [Farrington], [Boericke].

Ferrum picricum is the student’s and the over-sexed man’s remedy when the brain, spine, and prostate declare one story. The psyche is not shattered; it is spent: the will to work persists, but the occiput grows heavy, the eyes fail, and a nap restores what an hour of study took away. Add the nocturnal emission at first sleep that leaves morning dullness and sacral ache; add the hesitant, weak stream with dribbling and night calls that worsen on standing; and the picture coheres. This is Picric acid’s exhaustion modulated by Ferrum’s vascular–urinary signature. The organism dislikes warm, close rooms and prolonged sitting; it thrives on rest, cool air, lying flat, and regular modest rhythm—of work, of sleep, and of sex. Over-work of mind and over-use of sex both spend the same coin and press on the same axis. The backache after emissions is a bedside pearl; patients phrase it plainly: “If I lose, my back is gone.” The prostate, too, tells time: worse at night and when standing; better when seated and empty; never the fierce tenesmus of Cantharis, nor the “unsatisfied bladder” of Equisetum—rather, a tired neck-of-bladder with leakage.

In discrimination, watch the polarity of desire vs. power. In Agnus, desire is extinct and despair is black; in Caladium, mental desire burns but erections fail; in Selenium, emissions and oozings continue with sun-heat aggravation and oily sweat; in Picric acid, the spine burns and the mind sleeps on the page. Ferr-pic. is quieter: pale-flushing, studious, with a tired spine that asks to lie flat, a brain that wants a nap, and a prostate that dribbles. The more the case respects sleep—the more it is restored by sleep—the nearer you are to Ferr-pic. This reliance on sleep marks both Mind and Head, and the whole remedy is a hygiene of rhythm: work in cool air, stop before symptoms, lie down flat for the spine, and practise sexual temperance.

In practice, Ferr-pic. suits youths worn by cramming or masturbation; middle-aged clerks and writers with emissions and backache, and elderly men whose enlarged prostate has brought nocturia and exhaustion. Potency: 3x–6x or 6C in daily or twice-daily repetition for prostatic dribbling and emissions; 30C when the triad (brain-fag + post-emission backache + dribbling) is clean; 200C for well-characterised neurasthenic cases when vitality is fair [Boericke], [Dewey]. Repetition: by need—during an acute patch of study or emissions dose once or twice daily; stop as sleep restores and losses cease. Adjuncts: cool air; regular hours; avoid coffee, alcohol and lascivious stimulants; pelvic floor rest (no long standing in the evening); management of constipation to reduce perinæal pressure; and brief daytime naps to forestall night emissions (echoing the remedy’s sleep-amelioration). This remedy is not for violent inflammation nor for stony prostatic induration; it is for the tired man whose brain, spine, and prostate speak the same weary language—worse with over-use, better with rest and sleep. [Clarke], [Allen], [Farrington], [Boericke], [Boger], [Phatak].

• Prostate & Neck of Bladder — senile hypertrophy with dribbling, nocturia, weak stream, urging on standing; relief from sitting/recumbency; see Urinary/Male [Clarke], [Boericke].
• Seminal Vesicles/Testes — emissions, spermatorrhœa, sexual weakness after excess; backache after emissions (contrast Eupatorium purpureum’s before–after urinary hinge); see Male/Back [Farrington], [Allen].
• Spinal Cord (lumbo-sacral) — tired spine; must lie flat; burning/heavy line down back after study or sexual indulgence; see Back/Generalities [Hering], [Boericke].
• Brain (Occiput/Vertex) — “brain-fag,” heavy occiput, inability for sustained mental effort, better sleep; see Head/Mind [Clarke], [Allen].
• Bladder/Urethra — frequent urging with post-void dribbling; irritation without violent tenesmus; see Urinary [Boericke], [Phatak].
• General Nutrition (Ferrum stamp) — pale yet flushing, easily tired on stairs, relieved by rest and sleep; see Generalities [Clarke], [Boger].

A clean “neurasthenic” tone: mental power flags after brief effort; there is dread of application, inability to fix attention, and a brooding sense of incapacity—the very image of “brain-fag” which lifts promptly after sleep or even a short nap, tallying with the amelioration from rest noted above [Allen], [Clarke]. Irritability and low spirits follow sexual excess or nocturnal emissions; the temper improves when seminal losses cease (Male cross-link) [Farrington]. Memory slips for names and recent facts when the occiput is heavy; in a cooler room or after a walk he recovers his thread (Head/Generalities). A peculiar double state occurs: excitement and erotic thought easily kindle, but power fails at the crisis, leaving depression—this Picric acid polarity softened by Ferrum’s gentler blood state [Clarke], [Boericke]. Anxiety is practical—about examinations, work output, or sexual competence—rather than hypochondriacal; reassurance plus sleep restores tone (Sleep cross-link) [Hering]. Aversion to company alternates with desire for distraction; yet talk fatigues him. The will is willing, the brain is weary; the spine shares the weariness and demands to lie flat (Back link). Children and students with “study-headache” become peevish at dusk; a cool room and early bed prevent the nightly emission that wrecks the morrow (Sleep/Male). The mind is never wild; it is blunted, a prostrate grey—Picricum in a Ferrum body. [Allen], [Clarke], [Farrington], [Boericke].

Sleep is both need and cure. First sleep brings emissions, leaving morning dullness, backache and incapacity (Male/Head/Back cross-links) [Allen], [Farrington]. If he sleeps through without losses, he wakes restored, able to work—an explicit hinge with diagnostic value (Mind/Generalities). Dreams erotic; talking in sleep rare. Late hours at desk destroy this salutary sleep; the next day collapses. Napping in daylight sometimes prevents a night emission—practical hint.

Sexual dreams with emissions; dreams of examinations, unreadiness, and failure—exactly mirroring the mental context (Mind/Sleep) [Clarke]. Dreams of climbing stairs and losing strength (Generalities). No frightful nightmares; the tone is weary rather than terrorised.

Ferrum picricum binds Picric acid’s brain–spine exhaustion to Ferrum’s genito-urinary vascularity. Three chords must sound together: (1) Brain-fag with occipital heaviness, worse mental exertion and warm rooms, better sleep and cool air; (2) Sexual neurasthenia—emissions, spermatorrhœa, impotence—with backache after losses; (3) Prostatic hypertrophy with dribbling, nocturia, weak stream, worse standing and at night, better sitting/recumbency. The pace is subacute; the temperament is willing but worn; the thermal state warm-room–worse in study. Modalities recur across spheres: better rest, sleep, lying flat, cool air; worse over-work of mind, sexual excess, standing, stairs, night. Compare Picric acid (more burning along spine, profound stupor; less prostate), Selenium (marked seminal oozing, sun-heat aggravation, oily sweat), Agnus castus (impotence with cold genitals and despair), Acid phosphoricum (apathetic after grief; polyuria; less prostatic dribble), Sabal serrulata (mechanical prostatic enlargement with pelvic weight; less brain-fag), Conium (stony testicular/ prostatic induration, less emissions), and Staphisagria (sexual excess with moral soreness, cystitic twinges). When a case reads: “Head too tired to think, back tired unless lying flat; emissions at first sleep; urine dribbles after water-closet; worse with study, worse after indulgence; better after a nap,” Ferr-pic. stands central. [Clarke], [Allen], [Farrington], [Boericke], [Boger], [Phatak].

Afternoon heat of head and back strain; slight evening flush after work; no septic type. A gentle sweat relieves; if fever with burning pains is prime, think Arsenicum or Euphorbium, not this remedy. [Clarke], [Boericke].

Chilly after emissions, then warm in bed; heat from exertion with soft pulse; sweat on least effort during fatigue, which soothes (Generalities) [Allen], [Clarke]. Night sweat after sexual excess is common and weakening.

Heavy, band-like ache centred at occiput or vertex, worse from mental application or warm, close rooms; better lying down, in the open air, and especially after sleep—echoing the generalities and Mind [Allen], [Clarke]. The scalp may feel sore to the touch after long desk-work; a cold sponge revives him. Head feels “emptied” in the morning after a nocturnal emission, changing to fulness by afternoon with renewed study (Sleep/Male link) [Farrington]. Dull frontal weight follows sexual excess and clears with restraint and rest. There is often a spinal echo: burning or heaviness from occiput down the spine, stronger after over-work (Back cross-link) [Hering]. Unlike Belladonna, the heat is not throbbing or delirious; unlike Nux, there is less gastric irritability and more spinal tiredness. If the headache is periodical with right-sided sun aggravation, think Sanguinaria; if “brain-fag with burning spine” dominates without prostatic signs, Picric acid itself may outrank. [Farrington], [Boger].

Smarting and ocular fatigue on reading; letters blur when the occiput grows heavy; frequent blinking or closing eyes to rest mirrors the Mind picture [Clarke]. Orbital ache radiates to occiput after mental strain; dimness improves after sleep (Head/Sleep links) [Allen]. No corrosive coryza belongs here; if lachrymation is acrid, think Euphorbium or Allium cepa. Photophobia to gaslight late at night reflects exhaustion; a cool room helps. Blepharitic margin itching may attend students who over-use the eyes; this is accessory, not decisive.

Humming or “venous” buzzing with fatigue; clears after rest or a walk in air (Generalities). Transient aural fulness at night after emissions has been observed (Sleep/Male link). No primary otorrhœa or labyrinthine vertigo belongs here; if present, individualise.

During brain-fag, nose dry and cool; occasional morning stuffiness clears on walking in air (Generalities). No strong ozaena picture; if crusts, fetor, and burning dominate with better cold, Euphorbium is nearer. Sneezing after late hours at study is incidental.

Pale, then flushing on slight exertion or embarrassment; an “anaemic plethora” of Ferrum, subdued by the tired nervous system [Clarke]. Expression worn, eyes dull; improves after a nap (Sleep link). Beard area tingles under stress but there is no acne–rosacea emphasis here (contrast Ferr-iod.). Lips may feel dry after emissions.

Dryness on late-night study; tongue clean or lightly coated, sometimes yellowish in over-worked students (Picric acid echo) [Hughes], [Clarke]. Taste flat in the morning after emissions; coffee restores momentarily but aggravates reactional fatigue (Food & Drink). Gums pale; no notable stomatitis.

No marked odontalgia; grinding at night may follow sexual dreams (Sleep/Male). Toothache under study strain is rare; if tearing pains with warmth-agg., think Mezereum.

Slight rawness after late talking or loss of sleep; voice weak at the close of the day (Generalities). Swallowing unaffected; tonsils not a sphere (contrast Ferr-iod. or Baryta). Thirst for cool water during head-heat of study is occasional.

Oppression and flutter after climbing stairs or sexual excess; better rest and cool air (Generalities) [Clarke]. No violent cough sphere; chest symptoms are functional from fatigue. If bronchial catarrh with bright hæmoptysis dominates, Ferr-iod. rather than Ferr-pic.

Palpitation from exertion or emotion in the exhausted man; pulse soft, quick; settles with rest (Generalities). The cardiac tone mirrors the spinal one; both tire easily after emissions (Male/Back links). No constriction band (contrast Cactus).

Short breath on hurrying; sighing relieves; open air desired during study-hours (Generalities). No asthmatic paroxysm; if open-air amel. with catarrh and bright blood, think Ferr-iod.

Appetite wavering: stimulant craving after fatigue, then disgust (Food & Drink) [Hughes]. Heaviness at epigastrium after coffee or alcohol; flatulence from irregular meals during study (Generalities). Nausea in morning after emissions may occur, better after food and a short walk (Male link). No burning gastritis; if burning predominates with desire for heat, think Arsenicum rather than this remedy.

Abdominal walls feel lax and tired; prolonged sitting aggravates pelvic congestion in the prostate type (Urinary/Male cross-link) [Clarke]. Wind collects with desk-work; relief after moving in air (Generalities). Hypogastric drag after emissions passes with rest (Male). No hepatic stitch or clay stools belonging here.

Constipation from sedentary habit; straining aggravates perinæal pressure in prostatic subjects (Urinary/Male) [Boericke]. After emissions, rectum feels empty and weak. Piles are secondary; if burning knives after stool dominate, Ratanhia; if bruised bleeding, Hamamelis. Anal itching at night is incidental.

Frequent urging—worse standing, evening, and at night—with weak stream and dribbling; the classic senile-prostate picture when the mental–spinal fatigue also runs through the case [Clarke], [Boericke]. Sensation of residual urine; must wait and strain gently; better sitting. Post-void dribble soils linen; perinæum feels tired (Male cross-link). Urine usually clear or slightly phosphatic after emissions; no gravel keynote (contrast Sarsaparilla/Equisetum). Burning is mild; if violent tenesmus and burning before/during/after micturition dominate, think Cantharis. No “before–after urination” backache hinge (Eupatorium purpureum) here.

Aggravation from coffee, alcohol, and spiced food, which light up erotic thoughts and mental “fidgets,” then leave the spine and head heavier (Mind/Head) [Hughes]. Craves cold water in small quantities during study. Appetite fair; emaciation in the truly exhausted.

Centre of action. Sexual neurasthenia—erections inadequate or fleeting; emissions frequent at first sleep; spermatorrhœa from long abuse; genitals relaxed and cool; mind depressed—this quartet justifies Ferr-pic., especially with spinal tiredness and occipital heaviness (Mind/Back/Head ties) [Farrington], [Allen], [Clarke]. Prostatic hypertrophy: dribbling, nocturia, sense of incomplete emptying, worse standing and at night, better sitting and by restraint of lasciviousness; neck-of-bladder irritable but not fiercely inflamed [Boericke], [Clarke]. Backache in sacrum after coitus or emissions—a guiding keynote (Back). Sexual desire may be present yet powerless (Agnus-c. comparison); dreams lascivious with losses (Sleep link). Chronic epididymal soreness after excess is occasional; if stony hardness and induration lead, Conium or Iodum. Selenium overlaps (sexual weakness, dribbling semen), but Selenium is worse from heat of the sun and has marked oily sweat; Ferr-pic. is quieter, studious, spinal-tired.

Less frequently required, but useful in mental and spinal prostration from over-work, with dull occipital aching, pelvic weakness after repeated coitus, and a tendency to frequent urination without infection (Head/Back/Urinary echoes) [Clarke]. Libido low from fatigue rather than aversion (contrast Sepia). If bearing-down with acrid leucorrhœa dominates, Eupion is truer; if purple pelvic congestion with exalted desire, Murex.

Lumbo-sacral tiredness, worse from standing, study-strain, and after emissions or coitus; better lying flat, with a sense of weight lifted from the spine—this is the Picric-spine transposed to Ferrum [Hering], [Farrington], [Boericke]. Burning line from occiput to sacrum when over-worked (Head link). Cold damp after fatigue renews ache. No sharp sciatica; heaviness and weakness are the tones.

Heavy, leaden limbs after mental labour; knees tremble on stairs; better after sleep (Generalities/Sleep) [Allen], [Clarke]. Hands moist and cool during fatigue; tremulous after emissions (Male). No wandering neuralgias.

Pale, flabby; slight acne in over-worked youths, less than Ferr-iod. Prone to clammy sweat during examinations; odour slight. No corrosive or gangrenous tendency (contrast Euphorbium).

Aetiology: Over-study / Sexual excess

• Picric acid — profound brain-fag with burning spine, heaviness, stupor; sexual weakness; less prostate. Ferr-pic.: adds prostatic dribble and Ferrum pallor-flush; backache esp. after emissions. [Farrington], [Clarke].
• Acid phosphoricum — apathetic indifference after grief/over-work, polyuria; emissions without much shame or prostatic element; Ferr-pic. is more spinal-tired with prostate. [Allen], [Kent].
• Staphisagria — sexual excess with cystitic tenesmus and mental soreness; Ferr-pic. quieter, with spinal fatigue and dribbling. [Farrington], [Clarke].

Prostatic hypertrophy / Nocturia / Dribbling

• Sabal serrulata — glandular hypertrophy, pelvic weight, dribbling; Ferr-pic. when brain-fag and post-emission backache coexist. [Boericke], [Clarke].
• Chimaphila — “ball in perinæum,” must strain; Ferr-pic. lacks the “ball” sensation; shows emissions-backache axis. [Farrington].
• Conium — stony induration, old scars; sexual weakness with vertigo; Ferr-pic. is less indurated, more neurasthenic. [Clarke], [Boger].
• Selenium — dribbling semen/urine, aggravated by sun-heat; oily sweat; Ferr-pic. prefers rest/sleep and is study-aggravated. [Farrington], [Boericke].
• Equisetum — unsatisfied bladder; urging unrelieved after micturition; Ferr-pic.: relief after complete emptying; the issue is dribbling and prostate rather than “unsatisfied bladder.” [Boger].

Sexual weakness / Emissions

• Agnus castus — impotence with cold, flaccid genitals and despair; Ferr-pic. retains some desire but lacks power; spine tired. [Kent], [Clarke].
• Caladium — mental desire, physical impotence; smoke craving; less prostate. Ferr-pic.: emissions and post-coital backache. [Farrington].
• Selenium — as above; greater seminal oozing, sun-agg.; Ferr-pic. brain-work-agg. [Boericke].

Head: Brain-fag / Occipital heaviness

• Nux vomica — irritable, gastric, over-driven; little sexual neurasthenia or prostate; Ferr-pic. softer, spinal-tired with losses. [Kent], [Farrington].
• Gelsemium — dullness, drooping eyelids, examination dread; less sexual–prostatic axis; Ferr-pic. better sleep, backache after emissions. [Clarke].

• Complementary: Picric acid — shares brain–spine exhaustion; Ferr-pic. when prostate/seminal losses superadd; Pic-ac. for residual burning-spine stupor. [Farrington], [Clarke].
• Complementary: Sabal serrulata — prostatic bulk and dribble after Ferr-pic. improves spinal–sexual fatigue. [Boericke].
• Complementary: Acid phosphoricum — for lingering apathetic debility after emissions cease. [Allen].
• Follows well: Staphisagria — after sexual injuries/irritations calm, Ferr-pic. restores tone where emissions and prostate remain. [Farrington].
• Follows well: Nux vomica — removes stimulant abuse; Ferr-pic. then steadies brain–spine–prostate axis. [Kent], [Clarke].
• Precedes well: Selenium — if seminal oozing persists with sun-agg. and oily sweat after neurasthenia is reduced. [Boericke].
• Related/Compare: Agnus-c., Caladium, Conium, Sabal, Selenium, Acid-phos., Pic-ac., Gelsemium, Nux-v. (see Differentials).
• Antidotes: Nux/Coffea for medicinal over-action; rest and sleep (physiological antidotes). [Kent], [Allen].
• Inimicals: none specific; avoid promiscuous alternation among sexual–prostatic congeners without a keynote shift. [Boger], [Kent].

• Neurasthenia with emissions: student, first-sleep emissions, morning occipital heaviness, backache after losses, study-agg., sleep-amel. ⇒ Ferr-pic. 6C–30C; enforce naps and cool rooms. [Allen], [Farrington], [Clarke].
• Prostatic hypertrophy in the studious or worn: dribbling, nocturia, weak stream, worse standing/night; better sitting/complete voiding—give Ferr-pic. 6x–6C b.i.d.; add Sabal if bulk signs persist. [Boericke], [Clarke].
• Post-coital spinal tiredness: must lie flat; can work again after a nap—Ferr-pic. 30C every other day for a week. [Hering], [Farrington].
• Examination “brain-fag” with prostate symptoms: occiput heavy; memory slips then returns after sleep; urine dribbles after stool—Ferr-pic. 30C nightly x 7; counsel abstinence and regular hours. [Clarke], [Boger].

Mind

• Aversion to mental exertion; brain-fag; better after sleep — study-exhaustion keynote. [Allen], [Clarke].
• Irritability and despondency after sexual excess or emissions — sexual–mental axis. [Farrington].
• Memory weak for recent things; returns after a nap — sleep-amel. sign. [Clarke].
• Desire with lack of power; anxiety about sexual competence — polarity. [Boericke].
• Better in cool air; worse warm, close rooms during study — thermal study law. [Clarke].
• Restlessness from work-worry, yet incapable of effort — neurasthenic paradox. [Allen].

Head

• Heaviness/ache occipital (or vertex), worse mental exertion, better sleep/lying down — master head rubric. [Allen], [Clarke].
• Burning/heavy line from occiput down spine after study — spine–head bridge. [Hering].
• Headache morning after emissions; clears by noon or after a nap — male–head hinge. [Farrington].
• Headache in warm, close room; relieved by cool sponge — management cue. [Clarke].
• Dull frontal weight after sexual excess — causation. [Farrington].
• Photophobia to gaslight late night from fatigue — timing. [Clarke].

Urinary / Male

• Prostate enlarged; dribbling of urine; nocturia, worse standing/night — cardinal rubric. [Boericke], [Clarke].
• Urging; weak stream; sensation of residual urine; better sitting — mechanics. [Boericke].
• Emissions at first sleep; spermatorrhœa; backache after emissions — sexual–spinal keynotes. [Allen], [Farrington].
• Impotence: desire present, power fails; depression follows — polarity. [Clarke].
• Perinæal tiredness after standing long — prostate mechanics. [Clarke].
• Seminal losses aggravate mental/ spinal fatigue — axis. [Farrington].

Back / Generalities

• Lumbo-sacral weakness, must lie flat; worse after emissions, standing — spinal keynote. [Hering], [Boericke].
• General weakness after mental work; better after sleep — remedy essence. [Allen].
• Worse stairs/hurry; palpitation and fatigue — exertion law. [Clarke].
• Cold damp to back after fatigue renews aching — weather nuance. [Hering].
• Rest in cool air restores capacity — therapeutic rule. [Clarke].
• Coffee/alcohol excite then exhaust — regimen cue. [Hughes].

Sleep

• First sleep brings nocturnal emissions; morning dulness — time/sequence. [Allen].
• Sleep refreshes mind and back; short nap revives — hallmark amelioration. [Clarke].
• Erotic dreams with losses — concomitant. [Allen].
• Late hours at desk destroy benefit of sleep — management. [Clarke].
• Night sweat after sexual excess — consequence. [Allen].
• Talking in sleep rare; stupor belongs more to Pic-ac. — differential. [Farrington].

Generalities

• Worse mental over-exertion; worse sexual excess; worse standing; worse night — remedy frame. [Allen], [Clarke].
• Better rest, lying flat, sleep, open cool air — core ameliorations. [Clarke].
• Anaemic flushes with effort; soft pulse — Ferrum shading. [Clarke].
• Sedentary life aggravates prostate and mind — lifestyle link. [Boericke].
• Strength returns disproportionately after brief sleep — peculiar. [Allen].
• Abstinence or moderation in sex improves all spheres — causal management. [Farrington].

Allen, T. F. — Encyclopædia of Pure Materia Medica (1874–79): proving fragments; emissions; brain-fag; occipital heaviness; prostatic dribbling.
Boericke, W. — Pocket Manual of Homœopathic Materia Medica (1901): keynotes—prostatic hypertrophy with dribbling; sexual weakness; emissions; spinal fatigue; remedy relationships.
Clarke, J. H. — A Dictionary of Practical Materia Medica (1900): substance background; neurasthenia from sexual excess; occipital headache; prostate sphere; modalities; comparisons.
Hughes, R. — A Manual of Pharmacodynamics (1870): chemical–toxicologic notes on Picric acid/picrates; over-work, stimulants, and sexual excess as aetiologies.
Hering, C. — The Guiding Symptoms of Our Materia Medica (1879): clinical confirmations—lumbo-sacral weakness needing to lie flat; emissions with backache; study-exhaustion.
Farrington, E. A. — Clinical Materia Medica (1887): differentiations—Picric acid, Selenium, Agnus-c., Sabal, Conium; sexual neurasthenia focus.
Boger, C. M. — Synoptic Key of the Materia Medica (1915): miasmatic colouring; prostate vs. sexual-exhaustion relations; general synthesis.
Kent, J. T. — Lectures on Homœopathic Materia Medica (1905): constitutional tones—neurasthenic vs. moral shock; sexual debility comparisons.
Phatak, S. R. — Materia Medica of Homoeopathic Medicines (1977): concise keynotes—prostate, sexual weakness, emissions, modalities.
Nash, E. B. — Leaders in Homœopathic Therapeutics (1899): practical remarks on neurasthenia and prostate leaders; dosing hints.
Dewey, W. A. — Practical Homœopathic Therapeutics (1901): regimen and repetition in sexual excess and prostatic states; open-air counsel.
Tyler, M. L. — Homœopathic Drug Pictures (1942): portraits of brain-fag and sexual exhaustion; contrasts with Picric acid and Selenium.