Magnesium phosphoricum

An inorganic double-constituent salt of magnesium and phosphoric acid, prepared for homœopathic use by trituration of the chemically pure substance to the 3C and upwards, or by solution and subsequent potentisation. The remedy’s picture is grounded far more in [Proving]/[Clinical] data than in gross toxicology: classical authors repeatedly emphasise a neuro-muscular sphere—spasms, cramps, neuralgias, and colics—markedly better from heat and pressure and often right-sided [Clarke], [Boericke], [Boger]. Physiological reasoning (magnesium’s membrane-stabilising, anti-spasmodic influence and phosphate’s tissue-supply role) was used by nineteenth-century writers to explain the “nerve salt” signature—sudden, darting, lightning-like pains along nerves, and smooth-muscle spasms of hollow organs [Hughes], [Clarke], [Phatak]. While Schüssler’s biochemic school popularised the tissue-salt usage (small, frequent doses of low trituration in hot water), the remedy’s broader materia medica rests on compiled provings and abundant bedside confirmations across neuralgia, dysmenorrhœa, biliary/intestinal colic, spasmodic cough, and cramps of calves, hands, and writers’ muscles [Allen], [Hering], [Clarke], [Boericke].

Fragmentary provings were compiled by Allen and Hering (neuralgic and cramp pains, spasmodic dysphagia, hiccough, spasmodic cough, colic, dysmenorrhœa), afterwards richly confirmed in practice. Hallmarks: pains darting like lightning, spasms and cramps, colic better bending double/pressure/heat, right-sided neuralgias (especially trigeminal), and writer’s cramp [Allen], [Hering], [Clarke], [Boericke], [Boger]. [Proving]/[Clinical]

Magnesia phosphorica is the nerve-and-spasm remedy par excellence: the patient of electric, darting pains and cramps who must have heat and pressure. The kingdom signature (mineral salt) yields a functional picture rather than an emotive drama: the neuromuscular apparatus over-reacts to cold and draughts, and is pacified by warmth, friction, and firm support. The pains are paroxysmal—bolt-like streaks along a nerve (trigeminal, sciatic, intercostal) or colicky gripings of hollow organs (bowel, bile, uterus, bladder). The modalities are so coherent that they alone often decide: worse cold, touch (light), draught, night; better heat, pressure, bending double, hot drinks. In the face, right-sided neuralgia, darting to ear or temple, retreats into a hot pillow; in the abdomen, the sufferer doubles up and presses hard; in dysmenorrhœa, she embraces a hot bottle and draws up the knees; in writer’s cramp, the hand relents only after heat and rubbing, and then prefers gentle continued motion. The respiratory and cardiac spheres are also spastic: spasmodic cough, whoop-like paroxysms, and crampy, anginoid precordial pains that abate on heat and bending forward—a pattern separating Mag-p. from Cactus (iron band constriction) and Spigelia (stitching, recoil from pressure).

Psychologically the patient is not a volcano (as Cham. or Coloc.) but an irritable sufferer who dreads the next spasm and clings to heat. The pain impresses a dependency posture—“press it—hold it—heat it”—which loosens as the neuromuscular storm passes. Timewise, nights are worse; the bed is a contested ground—if warm and still, pains relent; if a draught crosses, the limb knots and the face shoots. This is not the sour, milk-intolerant terrain of Mag-c.; acidity is secondary here. Consider Mag-p. whenever a case shows the triad: (1) sudden, lightning-like neuralgia or cramp, (2) extreme cold-aggravation with light-touch aggravation, (3) commanding relief from heat and pressure with bending. Direction of cure is visible: the patient needs less heat, tolerates cool air, can stop pressing, and sleeps through the night; attacks shorten and finally fail to arrive even after minor chills. As a tissue salt, old authors used frequent small doses in hot water for acutes; as a homœopathic remedy, it acts from low to high potencies on this well-knit functional totality [Boericke], [Clarke], [Boger], [Kent], [Phatak], [Hering], [Allen].

• Peripheral motor nerves & neuromuscular junction—sudden, shooting neuralgias; cramps/spasms in small muscles (hands, calves); writer’s cramp; pains better warmth, pressure, friction (see Extremities/Head/Face) [Boger], [Boericke], [Kent].
• Smooth muscle of hollow organs—intestinal, biliary, ureteric, and uterine colics; spasmodic dysmenorrhœa; spasmodic dysuria—better bending double and heat (see Abdomen/Urinary/Female) [Clarke], [Allen].
• Trigeminal nerve (often right)—supraorbital/maxillary tooth-face neuralgia worse cold air/touch, better heat/pressure (see Teeth/Face/Head) [Kent], [Hering].
• Respiratory tract (spasm)—spasmodic cough, whooping paroxysms, asthmatic tightness relieved by heat and hot drinks (see Respiration/Chest) [Boericke], [Clarke].
• Oesophageal and pharyngeal musculature—spasmodic dysphagia, globus; warm sips relax spasm (see Throat) [Allen].
• Cardio-vascular (vaso-spastic/anginoid)—intermittent, crampy precordial pains better warmth and bending forward (see Heart/Chest) [Clarke], [Boericke].
• Abdominal ganglia & mesenteric nerves—flatulent distension with colic better pressure and heat, alternating with diarrhœa/constipation (see Abdomen/Rectum) [Hering], [Clarke].
• Female pelvic—cramping uterine pains radiating to back and thighs; better heat, pressure, flexion; patient doubles up (see Female) [Clarke], [Kent].
• Eyes/eyelids—blepharo-spasm; neuralgic orbital pains, often right, better heat; photophobia from spasm rather than inflammation (see Eyes) [Allen], [Clarke].
• Nervous hyperaesthesia—oversensitive to cold, draughts, touch; ameliorated by hot applications and wrapping (see Generalities) [Boger], [Boericke].
• Gastro-oesophageal—spasmodic hiccough, cardialgia, gastralgia better hot drinks (see Stomach) [Clarke].
• Back/sciatic nerve—sciatica (often right) with cramp-knotting pains better heat and rubbing (see Back/Extremities) [Boger], [Boericke].
• Headache (neuralgic type)—paroxysmal, right-sided, darting, better pressure/warmth, worse cold wind (see Head) [Kent], [Clarke].

Irritable from pain yet quiet, craving to be let alone and warmed; the patient is oversensitive to cold and touch, and will plead for hot applications or press the part hard, which tallies with the ameliorations by heat and pressure already noted [Kent], [Clarke]. Mental effort fatigues when neuralgias are active; there is a hurried, anxious expectancy before spasms, with fear of their return. Unlike Chamomilla, the anger is not violent but peevish from suffering; unlike Colocynthis, the mental element is less explosive though both double up for relief. Startling noises or emotions may precipitate hiccough, fluttering, or a cramp, reflecting the remedy’s reflex instability (Mind ↔ Generalities) [Clarke]. The sufferer becomes dependent on heat and on support, revealing a “must be helped” posture; reassurance calms, but physical warmth helps more. Children cry with colic, draw up knees, and immediately quiet when a hot flannel is applied (mini-case) [Hering]. As pains subside, gratitude replaces fretfulness and the patient dozes, confirming the close psychophysical tie to spasm relief.

Sleep broken by cramps—calf, foot, abdominal knottings; patient rises to apply heat or press the part, then sleeps again—this reflects the Better for heat/pressure (Sleep ↔ Extremities/Abdomen) [Allen], [Clarke]. Evening and night paroxysms common; unrefreshing sleep if attacks frequent. Children doze between crying fits during colic; hot flannel secures longer intervals.

Dreams of being bound, squeezed, or grasped; of cold winds; of failing at delicate tasks (writer’s cramp reflection). Startle on draught striking the bedclothes.

Magnesia phosphorica is the spasm–neuralgia salt. Its totality is a pattern: sudden, darting, lightning-like pains along nerves; cramps of voluntary and smooth muscle; colics of hollow organs; better from heat, firm pressure, bending double, friction, warmth of bed and hot drinks; worse from cold, draughts, light touch, and at night [Boger], [Boericke], [Clarke], [Kent], [Hering], [Allen]. Laterality often right—face, eye, ovary, sciatic. The patient seeks heat and supports the part, contrasting with Spigelia (neuralgia worse pressure) and complementing Colocynthis (colic better pressure/bending but less dependent on heat). Where an attack begins on chill, a hot application may abort it; as warmth penetrates, gentle motion replaces initial aversion to movement. Direction of cure is plain: paroxysms shorten, the interval lengthens, cold tolerance improves, and “must press it” diminishes to comfort without props.

No sustained inflammatory fever; chilliness with cramps; heat of part under hot applications gives relief. Flushes after pain release are brief (Fever ↔ Generalities) [Boericke].

Chill from least draught, with shuddering and tendency to cramp; local heat ameliorates; sweat occurs after pains abate (Chill/Heat/Sweat ↔ Modalities) [Boger]. Night sweats if spasms recurrent.

Headaches are neuralgic, often right-sided, darting or stitching in paroxysms, worse cold air/least draught, and better warmth, pressure, dark and quiet [Kent], [Clarke]. Supraorbital/supra-trochlear pains shoot like electricity across the orbit into temple, sometimes alternating with facial tooth-neuralgia (Head ↔ Face/Teeth). A tight scarf or heated sand-bag affords instant comfort (modal echo). There may be occipital cramp sensations and scalp tenderness to cold touch but tolerance of firm pressure. Motion at onset aggravates; later, after warming, gentle motion soothes. Photophobia is slight and functional; the eye-strain component abates with hot compresses and sleep.

Blepharo-spasm and twitchings with right orbital neuralgia, worse draught, better warmth and pressure (Eyes ↔ Head) [Allen], [Clarke]. Vision may blur transiently during spasm; coloured lights aggravate. Reading in a cold room provokes lid tremor and shooting brow pains. Tear-flow scant; the sensation is “cold air stings the eye,” corrected by wrapping and heat.

Neuralgic stitches about auricle and Eustachian area after exposure; cold winds around the ear trigger paroxysms, hot applications calm (Ears ↔ Generalities) [Hering]. Hyperacusis during painful bouts; quiet aids tolerance. No middle-ear suppuration keynote.

Neuralgic pains root of nose/bridge with orbital pains; coryza is not characteristic though cold air may excite sneezing that brings on shooting head pains (Nose ↔ Head) [Clarke].

Trigeminal neuralgia (often right): darting, lightning-like pains along malar/maxillary branches, worse the least touch or cold air, better firm pressure, heat, and wrapping—a prime keynote mirrored in the Affinity/Modalities (Face ↔ Teeth/Head) [Kent], [Hering], [Clarke]. Face may be pale or anxious during attacks; patient presses it into a hot pillow. Pains come and go suddenly, shift along the nerve, and may alternate sides but favour the right.

Dryness during neuralgia; saliva scant; tongue may tremble during spasm. Taste flat; cold drinks provoke oesophageal spasm (Mouth ↔ Throat) [Clarke]. Speech broken by darting pains in jaw.

Tooth-neuralgia, ball-aching and darting, worse cold air/cold drinks, worse touch/light tapping, better warmth and pressure (presses teeth together or cheek into hot pillow) [Hering], [Kent]. Carious or intact teeth alike may ache; right upper molars typical. Pain shoots toward ear/temple; subsides under hot water held in mouth, recurs when it cools.

Spasmodic constriction; oesophageal spasm on cold drinks; better warm sips taken slowly—this tallies with Better for warm drinks and Worse for cold (Throat ↔ Modalities) [Clarke]. Globus and cramp in pharynx from a draught. Laryngeal irritability with spasmodic cough discussed below.

Intercostal neuralgia/pleurodynia after cold wind on the side; better heat, pressure, wrapping, worse draught (Chest ↔ Back/Generalities) [Boericke]. Spasmodic cough loosened by hot drinks; cold air provokes fits.

Cramping, gripping precordial pains—anginoid—brought on by chill or exertion in the cold, better warmth, bending forward, and firm hand pressure, contrasting with the constrictive band of Cactus (Heart ↔ Chest/Generalities) [Clarke], [Boericke]. Palpitation with spasmodic feeling rather than weakness.

Spasmodic cough, whooping-like paroxysms, better hot drinks, worse cold air; breath held during a cramp then relieved with warmth (Respiration ↔ Chest/Throat) [Boericke]. Asthmatic tightness in a cold room, eased by heat.

Gastralgia and cardialgia with cramping clutch, better heat and hot drinks; cold drinks precipitate spasm (Stomach ↔ Modalities) [Clarke]. Hiccough frequent; eating quickly or exposure after meals triggers cramps. Belching may relieve pressure a little; nausea not prominent unless spasm is forcible.

Colic of the classic Mag-p. type: cramping, cutting, twisting pains, come in paroxysms, better bending double, pressure of the hand or hard object, and heat, worse cold and uncovering [Hering], [Allen], [Clarke]. Gas distends; patient presses and rides hard upon the edge of a chair; warmth relaxes the knotted bowel. Biliary or ureteric colic shares the same reliefs and aggravations (Abdomen ↔ Urinary). Pains may radiate to thighs; change place rapidly along the course of the intestine.

Alternation of constipation with colic and loose, hurried stool when spasm breaks; flatus relieves (Rectum ↔ Abdomen) [Hering]. Tenesmus spasmodic, soothed by local warmth. No offensive, acrid theme as in Mag-c.; sourness is not the focus.

Spasmodic dysuria: frequent urging with crampy hypogastrium, worse chill, better hot applications and bending forward (Urinary ↔ Abdomen) [Clarke]. Ureteric colic relieved by hot fomentations; urine scant until spasm eases. Bladder neck spasm after exposure is typical.

Cold drinks/ice provoke œsophageal/gastric spasm; hot drinks relieve throat, chest, and stomach (Food ↔ Throat/Stomach/Chest) [Clarke]. Crave warmth; aversion to cold foods when neuralgic.

Seminal emissions from nervous exhaustion; testicular neuralgia with drawing pains better heat and pressure [Clarke]. Spasm of spermatic cords in cold, eased by hot bathing.

Dysmenorrhœa with cramping, labour-like pains radiating to back and thighs, better heat, pressure, bending double, hot drinks, worse cold and at night—a key sphere (Female ↔ Abdomen/Generalities) [Clarke], [Kent]. Ovarian neuralgia (often right) with darting pains; uterine colic after a draught. Milk-letdown spasm and nipple cramp yield to heat.

Cramps and neuralgic stitches between scapulæ after draught; sciatic neuralgia, commonly right, cramp-knotting, better heat, friction, and gentle motion after warming (Back ↔ Extremities) [Boger], [Boericke]. Lumbar colic pain reflects intestinal spasm.

Cramps in calves, soles, toes, and small hand muscles; writer’s cramp; better heat, pressure, rubbing, worse cold and first motion [Allen], [Boericke]. Fingers numb in cold and shoot with electric pains when warmed; grasp fails during spasm. Neuralgic dartings along radial/ulnar nerves in draught-exposed arms.

No eruptive keynote; cold makes skin ache; chilblainy tenderness; goose-flesh with cramps. Warmth restores comfort; rubbing brings colour back (Skin ↔ Generalities) [Clarke]. Neuralgic cutaneous over-reactivity to draught typical.

• Aetiology—Chill/Cold exposure → neuralgia/colic
  • Acon.: sudden pains after cold dry wind with fear; lacks decisive better heat + pressure; Mag-p. crampy/neuralgic focus [Kent], [Clarke].
  • Hepar-s.: extreme draft-sensitivity with suppurative trend; Mag-p. is spasm-neuralgia, not suppurative [Boger].
• Keynotes—Colic better heat & pressure/bending
  • Coloc.: colic better bending double/pressure, anger-triggered; less need of heat; Mag-p. demands heat and covers neuralgias too [Clarke], [Boger].
  • Dioscorea: colic better erect stretching back, not bending double; Mag-p. bends double and seeks heat [Boericke].
• Organ affinity—Trigeminal/Tooth neuralgia
  • Spig.: left orbital neuralgia worse touch/pressure, desires absolute rest; Mag-p. seeks pressure and heat, often right-sided [Kent], [Boger].
  • Verbascum: prosopalgia with crushing pains; less heat-relief keynote; Mag-p. more electric/darting [Clarke].
• Extremities—Cramps/writer’s cramp
  • Cupr.: violent tonic cramps, cyanosis; more generalised convulsion tendency; Mag-p. milder, heat-responsive [Hering], [Boericke].
  • Zinc.: fidgety feet, weakness post-exertion; pains not so heat-dependent [Boger].
• Female—Dysmenorrhœa
  • Cham.: pains intolerable with anger; child must be carried; heat helps but mental picture is stormy; Mag-p. quieter, heat/pressure primary [Kent].
  • Cimic.: rheumatic uterine pains with mental gloom; Mag-p. cramping colic, heat-relieved [Clarke].
• Respiratory—Spasmodic cough/asthma
  • Ipec.: bronchial spasm with incessant nausea; not particularly better hot drinks; Mag-p. lacks the persistent nausea [Allen].
  • Coccus-cacti: whoop with stringy mucus; modality less heat-centric; Mag-p. spasm > secretion [Clarke].
• Cardiac—Anginoid spasm
  • Cactus: iron band constriction; less heat-relief; Mag-p. crampy/colicky, bends forward with heat [Boger], [Clarke].
  • Spig.: cardiac neuralgia, stitching; prefers quiet without pressure; Mag-p. seeks heat/pressure [Kent].
• Gastric/Oesophageal spasm
  • Nux-v.: spasms with irritability after excess; prefers warmth too, but pressure not so essential; Mag-p. strongly pressure-seeking [Kent].
  • Robinia (acidity): sour burning; not primarily spasm-heat-relieved; Mag-p. targets spasm [Clarke].
• Laterality—Right-sided
  • Kali-carb.: right pleurodynia, stitching; less heat-pressure keynote; Mag-p. pains are darting/electric [Boger].

• Complementary: Ferr-phos.—first stage inflammatory pains/fever yield to Ferr-phos., spasmodic residue to Mag-p.; frequently used in alternation in acutes by the old school [Boericke], [Clarke].
• Complementary: Kali-phos.—nerve exhaustion and irritability after spasms; Mag-p. for pains, Kali-phos. for convalescent nerve tone [Phatak], [Boger].
• Complementary: Coloc.—overlapping colic; Coloc. when anger/intolerance lead; Mag-p. when heat is imperative [Clarke].
• Follows well: Cham.—after the angry, over-sensitive layer of pain, the pure spasm responds to Mag-p. [Kent].
• Follows well: Acon.—after chill-shock with fear, when pains become spasmodic [Clarke].
• Precedes well: Spig.—if residual neuralgia rejects pressure/heat and demands quiet [Kent].
• Related: Cupr., Diosc., Nux-v., Kali-carb., Cactus, Ipec., Cocc-c.—see differentials for boundaries.
• Antidotes (states): Hot applications, hot drinks, rubbing; medicinally Coloc. sometimes countermands abdominal spasm if heat fails [Clarke], [Boericke].
• Inimicals: None classically fixed; avoid routine alternation without a new totality [Boger].

• Acute neuralgia (trigeminal, right side), worse draught/touch, better heat/pressure—Mag-p. 6X–12X every 10–20 minutes in hot water (“sip dosing”) until relief; in obstinate cases 30C–200C single or repeated doses [Boericke], [Clarke], [Phatak].
• Dysmenorrhœa (cramping, labour-like, better hot bottle and doubling up)—Mag-p. 6X q1–2h day 1, then t.i.d.; compare Coloc. if anger or indignation precedes pains [Clarke], [Kent].
• Intestinal/biliary/ureteric colic—Mag-p. 6X–12X frequent; firm pressure and continuous heat are essential adjuncts; if heat fails, consider Coloc. or Diosc. by the modalities [Hering], [Boger].
• Writer’s cramp and nocturnal calf cramps—Mag-p. 6X b.i.d.–t.i.d., plus warm rubs and graded motion; intercurrent Kali-phos. for nerve fatigue [Phatak], [Boericke].
• Anginoid cramp pains, better heat and bending forward—Mag-p. 6C–30C p.r.n., with immediate local warmth; differentiate from Cactus (iron band) and Spigelia (stitching, hates pressure) [Clarke], [Boger].
• Mini-pearls:
  • Toothache settles while hot water is held in the mouth; returns when it cools—think Mag-p. [Hering].
  • Colic patient sits hard on a chair edge pressing abdomen + hot bottle—Mag-p. confirms [Clarke].
  • Sciatica that only loosens after hot rubbing and then likes gentle motion—Mag-p. over Rhus-t. [Boger].

Mind

• Irritability from pain; desires to be left quiet and warm—picks Mag-p. over stormy Cham. [Kent], [Clarke].
• Start from slight noise provoking spasm (hiccough/cramp)—reflex excitability [Clarke].
• Anxiety anticipating the next paroxysm—spasm-fear [Clarke].
• Better reassurance and warmth; worse cold contact—behavioural modality [Boger].
• Aversion to draughts; seeks wrapping—environmental cue [Boericke].
• Concentration difficult during neuralgia—functional inhibition [Kent].

Head

• Headache, neuralgic, right supraorbital/temporal, worse cold/draught, better heat/pressure/dark [Kent], [Clarke].
• Pains shoot like electricity along branches—character of pain [Boger].
• Scalp sensitive to cold touch, tolerates firm pressure—polarity [Hering].
• Headache alternating with face/tooth neuralgia—seesaw [Clarke].
• Headache after chill or draught—etiologic cue [Boger].
• Wrapping head and hot applications ameliorate—confirmatory [Boericke].

Eyes

• Blepharospasm with orbital neuralgia better warmth/pressure—ocular spasm [Allen], [Clarke].
• Right orbital darting pain—laterality [Kent].
• Photophobia in cold wind—thermal link [Clarke].
• Reading in cold room excites lid twitch—provoker [Allen].
• Heat to eyes relieves brow pains—management [Clarke].
• Touch aggravates, pressure relieves—polarity [Kent].

Face/Teeth

• Trigeminal neuralgia (right), worse cold, worse touch, better heat/pressure—cardinal [Hering], [Kent].
• Toothache: hot water in mouth relieves while hot—signature test [Hering].
• Cheek pressed against hot pillow ameliorates—clinical cue [Clarke].
• Face pains after draught on cheek—etiology [Hering].
• Pains shift rapidly along branches—electric character [Boger].
• Light touch aggravates; firm pressure relieves—modal paradox [Kent].

Throat/Chest/Respiration

• Oesophageal spasm from cold drinks; warm sips relieve—rubric of choice [Clarke].
• Spasmodic cough/bronchial spasm better hot drinks—practical tip [Boericke].
• Intercostal neuralgia/pleurodynia after draught, better heat—regional rubric [Boericke].
• Anginoid cramp pains better warmth/bending forward—selection aid [Clarke].
• Laryngeal spasm with chill—spasm theme [Allen].
• Chest pains darting, electric—character [Boger].

Abdomen/Rectum/Urinary

• Colic, cramping, twisting, better bending double/pressure/heat—grand rubric [Hering], [Clarke].
• Biliary/ureteric colic with same modalities—extension [Clarke].
• Flatulence with spasms; relief after passing flatus—mechanical note [Hering].
• Bladder neck spasm; urging with cramp, better heat—urinary spasm [Clarke].
• Colic from chill or cold drinks—etiology [Clarke].
• Constipation alternating with colic—pattern [Hering].

Female

• Dysmenorrhœa, cramping, better heat, pressure, doubling up—keynote [Clarke], [Kent].
• Ovarian neuralgia (right) worse cold, better heat—laterality [Clarke].
• Spasm in nipples/let-down—heat relieves—minor rubric [Clarke].
• Night aggravation of uterine cramps—time [Allen].
• Bearing-down with cramp, relieved by hot bottle—practical cue [Clarke].
• Chill before menses brings neuralgia—trigger [Kent].

Extremities/Back

• Cramps of calves, soles, toes, better heat/rubbing/pressure—classic [Boericke].
• Writer’s cramp; first motion aggravates, then better gentle motion—nuance [Allen], [Clarke].
• Sciatica, right, better heat/friction, worse cold—regional keynote [Boger].
• Inter-scapular neuralgia after draught—back rubric [Boericke].
• Numbness in cold with return of electric pains on warming—transition sign [Boger].
• Uncovering part brings cramp—modal [Boericke].

Generalities

• Better heat, pressure, bending double, hot drinks; worse cold, draughts, touch (light), night—master modalities [Boger], [Boericke], [Clarke], [Kent].
• Pains dart like electric shocks—character [Boger].
• Right-sided tendency—distribution [Kent].
• From chill to spasm sequence—etiologic arc [Clarke].
• Gentle continued motion beneficial after warming—behavioural [Boger].
• Wrapping and support demanded during attacks—patient stance [Boericke].

Hering, C. — The Guiding Symptoms of Our Materia Medica (1879–1891): neuralgia/colic modalities; toothache-hot water note; alternations.
Allen, T. F. — Encyclopaedia of Pure Materia Medica (1874–79): proving fragments; neuralgic/oesophageal/respiratory spasms.
Clarke, J. H. — A Dictionary of Practical Materia Medica (1900): full remedy portrait; tissue-salt usage; organ affinities; relationships.
Boericke, W. — Pocket Manual of Homeopathic Materia Medica (1901): keynotes—cramps, lightning pains, right-sidedness, heat/pressure; clinical dosing.
Boger, C. M. — Synoptic Key of the Materia Medica (1915): generalities, modalities, neuralgia character, relationships.
Kent, J. T. — Lectures on Homeopathic Materia Medica (1905): comparisons—Spig., Coloc., Cham., Cactus; modality analysis.
Hughes, R. — A Manual of Pharmacodynamics (late 19th c.): physiological rationale for anti-spasmodic sphere of magnesium salts.
Phatak, S. R. — Materia Medica of Homeopathic Medicines (20th c.): succinct keynotes; Kali-phos. relation; dosing hints.
Nash, E. B. — Leaders in Homeopathic Therapeutics (1899): practical indications—neuralgias and colics.
Dewey, W. A. — Practical Homeopathic Therapeutics (early 20th c.): dysmenorrhœa and colic management; heat/pressure methods.
Farrington, E. A. — Clinical Materia Medica (1890): neuralgic and spastic states; differentiations.
Tyler, M. L. — Homeopathic Drug Pictures (20th c.): clinical vignettes of Mag-p. neuralgia and colic.
Lippe, A. von — Text-Book of Materia Medica (1866): confirmatory clinical pointers in spasmodic/colicky states.