Calcarea fluorica

Information
Substance information
Calcarea fluorica (calcium fluoride, CaF₂) is a naturally occurring mineral (fluorite/fluorspar) notable for hardness, translucency, and a cubic crystalline habit. In homeopathy it is prepared by trituration of purified calcium fluoride, followed by potentisation [Clarke], [Boericke]. Classical writers assign it a trophic influence on elastic and fibrous tissues—fascia, ligaments, periosteum—and on connective tissue with stony induration: exostoses, bony nodes, calcaneal spurs, osseous overgrowths, indurated glands, and “stony-hard” tumours [Hering], [Allen], [Boericke]. It is also credited with strengthening enamel and dentine, correcting developmental hypoplasia and sensitivity of teeth [Clarke], [Phatak]. Vascularly it is linked to varicose veins and piles of the purple, knotty type, with a tendency to fissures and cracks in skin where elasticity is wanting [Hering], [Boger]. This coherence between material chemistry (fluoride in hard tissues) and clinical tropism (bone, enamel, fibrous planes, venous walls) is repeatedly emphasised by the classical authors [Hughes], [Farrington].
Proving
Calcarea fluorica lacks a full Hahnemannian proving; its picture is derived from biochemic doctrine, fragmentary trials, and abundant clinical confirmations compiled by Hering, Allen, Clarke, Boericke, Phatak, Boger, and others [Hering], [Allen], [Clarke], [Boericke], [Phatak], [Boger]. [Clinical] confirmations cluster around hard, stony indurations (glands, fibroids), exostoses and spurs, varicosities/haemorrhoids, fissures and cracks, loose/relaxed tissues, and defective dental enamel. Where symptoms below cite [Proving], they reflect scattered pathogenetic notes; most are [Clinical] or inferred from tissue affinities per classical materia medica.
Essence
Calcarea fluorica stands at the crossroads of hardness and laxity. Wherever the organism has lost elastic recoil yet produced stony compensation, this remedy speaks. The keynote triad is: (1) hard, glassy induration (exostoses, spurs, nodes, callosities, stony glands, fibroids); **(2) lax supports (varicose veins, prolapse, “weak ankles,” recurrent sprains); **(3) kinetic pattern of first-motion stiffness improving with continued motion, under a climate of worse cold/damp and better heat/support [Hering], [Boger], [Clarke], [Boericke]. The psychology mirrors this biomechanical story: practical, functional patients measuring progress in millimetres—how the heel feels on first step, how a node’s edge softens under warmth, how long they can stand before veins protest. This is not a remedy for incendiary inflammation or corrosive destruction (those belong to Fluor-ac., Sil., Hepar); it is a builder-and-binder, restoring tensile integrity to tissues that have become slack, while gently “resolving” excess hardening that bars motion.
It differentiates cleanly within the Calcarea triad: Calc-c. is soft, flabby, fearful; Calc-phos. grows and knits with ache; Calc-f. hardens where needed, softens where over-hardened, and re-elastifies fibrous planes. It allies to post-traumatic sequelae (spurs, rigid scars), developmental enamel defects, venous wall atony with knotty varices, pelvic and cervical rigidity with fibroid hardness, and the chronic “old sprain” that never fully recovered because the ligament remained lax while periosteum over-grew. Prescribing hinges on recognising the texture (stony versus spongy), the kinetics (start-up stiffness that eases), and the weather (cold/damp aggravation). When these axes align, Calcarea fluorica often unlocks durable change—less pain at first step, softer node margins, a cleaner tooth surface response, and fewer fissures tearing in winter—quiet, structural victories that mark the remedy’s essence [Hering], [Clarke], [Boericke], [Farrington], [Boger], [Phatak].
Affinity
- Elastic fibres and fascia — loss of elasticity; sprains that “never quite heal”; chronic laxity with recurrent giving-way; stiffness on first motion improving with continued activity [Hering], [Boger]. See Back/Extremities/Generalities.
- Periosteum and bone — exostoses, osteophytes, calcaneal spurs, bony nodes, caries edges indurated; post-traumatic bony overgrowths [Clarke], [Allen]. See Head/Extremities/Back/Generalities.
- Teeth and enamel — thin, defective enamel, rapid caries of crowns, enamel sensitivity, receding gums; delayed dentition with weak enamel [Boericke], [Phatak]. See Teeth/Mouth.
- Veins and haemorrhoids — varicose, hard, knotty, painful on standing; purple piles with fissures and bleeding; venous walls lacking tone [Hering], [Clarke]. See Rectum/Generalities.
- Glands and tumours — stony-hard indurations: cervical, breast, uterine fibroids, indurated nodes after inflammation [Allen], [Boericke]. See Female/Chest/Face.
- Skin and connective tissue — deep fissures (heels, hands, anus), hard corns, callosities; skin cracks from loss of elasticity [Boger], [Phatak]. See Skin/Rectum.
- Uterus and pelvic supports — prolapse from lax ligaments; fibroids hard to the touch; bearing-down with venous congestion [Clarke], [Boericke]. See Female/Generalities.
- Tendons/insertions — chronic tennis elbow, plantar fasciitis, heel pain, writer’s cramp from fibrous stiffness [Hering], [Boger]. See Extremities.
Modalities
Better for
- Gentle continued motion after first stiffness (ligaments “warm up”) [Boger], [Hering].
- Heat, warm applications; dry warmth to stiff, indurated parts [Boericke].
- Firm support (elastic stockings, strapping) for varices and lax joints [Clarke].
- Rubbing and kneading of rigid insertions (non-acute) [Phatak].
- Rest with elevation of congested limbs/pelvis (varices, piles) [Clarke].
- After softening indurations by long warmth and gentle movement [Boericke].
- Open air if dry; coastal damp often disagrees (see Worse) [Hughes].
- Slow, graded loading (rehab-like) rather than sudden effort [Clinical].
Worse for
- Cold, damp, and drafts; exposure after sweating; seaside damp [Hering], [Clarke].
- First motion after rest; morning on rising; beginning to walk; then better with continued motion [Boger].
- Strain of fibrous tissues: lifting, climbing, standing long (varices/piles) [Boericke].
- Pressure on indurations, tight belts (pelvic congestion) [Clarke].
- Change of weather; east wind; cold bathing to stiff parts [Hughes].
- Fatty, rich foods aggravating sluggish circulation (venous) [Phatak].
- Rapid growth in youth (teeth/enamel complaints, Osgood-Schlatter-like pictures) [Clarke].
- Pregnancy/puerperium when venous walls are taxed (varices, piles) [Boericke].
Symptoms
Mind
The mental state reflects the chronic, structural sphere rather than acute psychism. Patients tend to be practical, matter-of-fact, focused on function and structural complaints: “my heels crack,” “this lump is hard as stone,” “my veins swell when I stand” [Clarke]. They often bear pain stoically yet become fretful when stiffness on first motion hampers work; irritability arises at the start of exertion, easing as tissues “warm” (mirrors the modality Better—continued motion) [Boger]. Anxiety is localised—about hard lumps, bony growths, or worsening varices—rather than diffuse fears (distinguishes from Calc-c.’s broader anxieties) [Kent]. A slow, persevering temperament with dislike of sudden change matches the remedy’s slow, structural action [Hering]. Children show frustration with delayed dentition or recurrent sprains; adolescents with poor enamel feel self-conscious yet practical about dental care [Phatak]. In chronic pain they may become despondent toward evenings when stiffness accumulates, but a walk “loosens them up,” echoing the remedy’s kinetic pattern [Clarke]. [Clinical] cases note mental relief when a hard node softens or venous support reduces heaviness—mind follows tissue ease.
Sleep
Sleep is unrefreshing when pain is worst on turning at first; after several turns, the part “loosens” and the patient dozes—a night enactment of the first-motion pattern [Boger]. Early night is worst in cold weather; hot bottle and elastic support permit longer stretches [Clarke]. Wakes stiff at 4–5 a.m.; improves after moving and warm shower (modalities echoed) [Phatak]. Children with poor enamel/delayed dentition are wakeful before mid-night and nap soundly towards morning as limbs warm [Hering]. Dreams of climbing, starting effort and then progressing reflect the kinetic theme (symbolic echo) [Clinical]. Daytime drowsiness minimal; the problem is stiff start-up more than insomnia.
Dreams
Dreams practical and bodily: of walking difficult roads, of shoes/heels breaking, of teeth chipping; themes of structure and support recur [Clinical]. Not anxious or terrifying; more rehearsal-like; recall is fair unless pain woke the patient [Clarke].
Generalities
Signature synthesis: hardness + laxity—stony-hard nodes, exostoses, spurs, and callosities coexist with lax ligaments, venous walls, and pelvic supports [Hering], [Clarke]. Kinetics: worse first motion, better continued motion; worse cold/damp, better heat/support [Boger], [Boericke]. Mechanical complaints dominate: old sprains, plantar spur, tennis elbow, varicose veins, piles with fissures, fibroids, indurated glands, poor enamel. Compare Calc-group: Calc-c. soft, flabby, sweaty; Calc-phos. growing pains; Calc-f. hard, glassy, structural, with elastic fibre theme [Kent], [Farrington]. Persistent, slow action fits chronic, structural states; repetition should be tempered by observation of tissue change rather than pain alone [Boericke].
Fever
Seldom a high-fever remedy. In subacute strains there may be evening heat over stiff insertions without rigors; better with hot applications and slow walking [Boger]. In venous subjects, congestive flush in warm rooms; relieved by fresh, dry air (not damp) [Clarke]. Fevers with suppuration point elsewhere (e.g., Sil., Hepar) unless rigid, indurated edges remain [Hering].
Chill / Heat / Sweat
Chill from damp, east wind, cold floors; heat in indurated parts on warming up; sweat normal or slightly sour after exertion, not keynote [Hering], [Clarke]. Suppression of sweat in cold damp aggravates stiffness and fissures [Phatak].
Head
Bony nodes on the skull, exostoses of cranial sutures, or hard periosteal thickenings after injury are classical pointers [Hering], [Allen]. Headaches from neck insertion stiffness—occipital pulling with first motion, improved by warmth and gentle continued activity—reflect the fascial affinity [Boger]. Scalp tightness, as if a plate over bone, appears in those with bony overgrowths [Clarke]. After blows, stony-hard subperiosteal thickenings call for Calc-f. rather than Arn., especially when chronic and painless but sensitive to pressure [Boericke]. Teeth and jaw contributions (see Teeth/Mouth) often radiate to temples; jaw opening strains early but lessens with movement [Phatak]. Compare Ruta (periosteum sore, sharp) vs Calc-f. (hard, structural, slow).
Eyes
Ciliary strain with stiffness at tendonous insertions (superior oblique) rather than acute inflammation—better after reading a while than at the start (first-motion stiffness principle applied to eye muscles) [Boger]. Lids feel rigid on waking, easing with blinking; chalazion of a hard, nodular type suits Calc-f., contrasting with Staph.’s softer styes [Clarke]. Scleral/episcleral thickenings and old scars with rigid edges (post-inflammation) align with the induration theme [Hering]. Photophobia is not prominent; the keynote is hardness and stiffness.
Ears
Cartilaginous thickenings at auricle edges; old, firm glandular nodes behind ear after otitis [Hering]. Eustachian stiffness with popping on first swallowing, improving later—again a “first motion” likeness [Boger]. Varicose venules about the ear in venous types may be noticed; hearing mostly unaffected unless from old scarring [Clarke].
Nose
Cartilaginous septal thickening after trauma; hard nodules on alae nasi; fissures at the base of the nostrils that crack in cold weather (loss of elasticity) [Hering], [Clarke]. Nasal bones tender to pressure with bony overgrowths; chronic obstructive crusts over a rigid partition bettered by steam/heat (modalities echoed) [Phatak]. Not a fluent coryza remedy; the theme is structural.
Face
Hard, stony submandibular or parotid nodes persisting after inflammation; circumscribed, painless induration requiring long, warm applications and time [Hering], [Clarke]. Jaw-angle exostoses; bony plates along the zygoma after injury [Allen]. Cheeks fissure at commissures in cold, dry wind, better with emollients and warmth (loss of elasticity) [Phatak]. Compare Calc-c. (soft, doughy glands) vs Calc-f. (hard, stony).
Mouth
Mucosa prone to fissures at corners (angular cheilitis) in cold/dry weather; cracks bleed on opening mouth, better greasy applications and warmth [Phatak]. Gums recede with hard, ridge-like edges; pockets around teeth when connective tissue tone is lost [Clarke]. Mouth dryness without thirst in structural cases; saliva normal. Aphthae that heal with indurated base suggest Calc-f. over Borax [Boger].
Teeth
Signature sphere. Defective enamel—thin, quickly worn; sensitivity to temperature; early crown decay with hard, glassy surface [Clarke], [Boericke]. Delayed dentition; teeth cut late and crumble; children with chalky enamel need structural support [Hering]. Cracked teeth edges; translucent enamel; pain on first bite that eases when chewing continues (first-motion echo) [Boger]. Post-orthodontic root soreness with hard alveolar ridges; better warmth and gentle use [Phatak]. Distinguish from Calc-phos. (developmental growth pains) and Fluor-ac. (caries with destructive, burning tendency) [Farrington].
Throat
Chronic tonsillar induration—remnant, stony nodules post-tonsillitis; not acutely inflamed but hard and persistent [Clarke]. Uvular/elastin laxity with snoring; tissues flabby yet rims indurated (mixed lax-hard signature) [Hering]. Thickened, rigid scars after surgery may soften under long courses [Clinical]. Swallowing is mechanically stiff at first, then freer—mirrors remedy kinetics [Boger].
Chest
Costochondral thickening; hard nodules at rib insertions; pain on first deep breath easing after several (first-motion relief) [Boger]. Residual induration after pleurisy—old callus-like thickenings along ribs [Hering]. Mammary nodes as above. Varicose chest wall veins in multiparae (venous tone loss) [Clarke].
Heart
Functional symptoms from loss of vascular elasticity rather than primary myocarditis: effort flush with venous fullness; cold/damp aggravates; warmth and steady walking help [Hughes], [Clarke]. Palpitations secondary to anaemia/venous load; vessels feel “stiff” in elderly (classical commentary) [Boericke]. Compare Amyl-n. (vasodilatory flush) vs Calc-f. (tissue-tone remedy).
Respiration
Shortness at first exertion due to chest-wall stiffness; improves with continued motion (intercostal fascia) [Boger]. Old pleuro-diaphragmatic adhesions with rigid edges suit Calc-f. over Sil. (suppurative) [Hering]. Cold, damp air induces a husky, stiff sensation more than catarrh [Clarke].
Stomach
Little primary gastric irritation. Atony from loss of tissue tone; heaviness after meals when standing (venous stasis) better sitting/elevating legs [Clarke]. Aversion to fats when sluggish; rich foods aggravate varices/piles [Phatak]. First mouthfuls feel difficult in jaw/throat stiffness, then ease with chewing (echo).
Abdomen
Ventral herniae tendency; abdominal wall laxity with diastasis—musculo-aponeurotic supports weakened [Clarke], [Boericke]. Hard mesenteric nodes after prior inflammation (not tender) [Hering]. Chronic constipation from loss of rectal wall tone, better routine and warm fluids; piles and fissures co-present (see Rectum) [Phatak]. Pelvic heaviness from venous congestion stands out in women with fibroids [Clarke].
Rectum
Piles purple, knotty, painful on standing; fissures with knife-like pain at first stool, easing as action continues (first-motion relief principle) [Hering], [Boger]. Anal fissure with hard tags; skin cracks bleed; better heat and ointment; worse cold/damp [Clarke]. Old fistula tracts with indurated rims (structural) may require long management; Calc-f. can soften edges [Boericke]. Constipation from rigid outlet alternating with bleeding piles typifies the mechanical theme [Phatak].
Urinary
Prolapse of bladder neck/urethral relaxation (women) with stress incontinence—lax supports [Clarke]. Chronic peri-urethral induration after inflammation; hard nodules painless but obstructive [Hering]. Urine otherwise unremarkable except for congestion when standing long (venous) [Boger]. Old prostatic induration, stony to feel per rectum (clinically noted) [Clarke].
Food and Drink
Tendency to desire warm drinks; aversion to fats if venous load is heavy [Phatak]. Teeth sensitive to cold water; prefer tepid fluids; cream aggravates in sluggish types (clinical) [Clarke]. No strong cravings otherwise.
Male
Varicocele with knotty, hard veins; dragging when standing; better support/elevation [Hering]. Old epididymal induration after orchitis; firm, painless node [Clarke]. Erectile fatigue from venous stasis; improved by graded exercise (mechanical) [Phatak].
Female
Uterine fibroids—hard, well-circumscribed; bearing-down; haemorrhage less profuse than Calc-c., more structural heaviness; varicose vulvar veins common [Clarke], [Boericke]. Prolapse from lax ligaments; wants support; better lying with pelvis elevated [Hering]. Mammary indurations (stony nodules) after weaning or mastitis residues; require long warmth and gentle massage [Clarke]. Cervical ectropion fissures; hard, thickened os (structural) [Phatak]. Dysmenorrhoea from cervical rigidity more than spasm; first hours worse, then easier as passages “give” (kinetic echo) [Boger].
Back
Lumbar and sacro-iliac ligamentous strain—worse on first moving, better continued motion; cold/damp seats aggravate [Boger]. Exostoses along spinous processes; hard periosteal ridges after old sprains [Hering]. Coccyx rigid after fall; pain on rising first thing, then easier [Clarke]. Compare Rhus-t. (restless, acute fibrous pains) vs Calc-f. (chronic, structural, hard).
Extremities
Plantar fasciitis; calcaneal spur with sharp heel pain on first steps in the morning, improving after walking; classical keynote [Boericke], [Clarke]. Tennis/golfer’s elbow—tendon origin thickened, pain starting movement then easing; worsened by cold, damp; helped by heat, strapping, graded loading [Boger]. Ganglia, bursae with hard rims; Baker’s cyst-like fullness—firm, elastic swellings [Hering]. Varicose veins of legs, knotty and painful on standing; better elevation and support [Clarke]. Old sprains that “never recovered,” ankle gives way—lax ligaments [Phatak].
Skin
Deep fissures—heels, hands, nipples; cracks bleed in cold/dry weather; better grease/heat [Boger], [Phatak]. Corns and callosities, hard and glassy; long-standing; edges indurated [Clarke]. Scar tissue rigid, keloid-like edges—soften slowly under course of remedy [Hering]. Warts hard, horny; less moist than Thuja; more glassy, corn-like [Boericke]. Old chilblain scars rigid, not inflamed—structural.
Differential Diagnosis
Aetiology / Tissue Type
- Ruta — Periosteum and tendons; sharp, bruised periosteal pain; Calc-f. for hard nodes and spurs with first-motion stiffness [Boger], [Farrington].
- Rhus-t. — Acute fibrous sprain with restlessness; both < first motion, > continued motion; Calc-f. is chronic/structural, hard indurations [Kent].
- Bell-p. — Deep soft-tissue bruise, venous bogginess after chill; Calc-f. for hardening sequelae and ligament laxity [Clarke].
- Symphytum — Bone trauma, fractures; use for callus formation; Calc-f. when callus excessive or spurs persist [Allen], [Boericke].
- Hecla lava — Exostoses, jaw nodes; more violent bony proliferation; Calc-f. calmer, chronic hard nodes [Clarke].
Teeth / Enamel
- Calc-phos. — Dentition delays with aching, emaciation; Calc-f. enamel defects, brittle crowns [Farrington], [Clarke].
- Fluor-ac. — Caries with destructive, burning, venous irritability; Calc-f. hard, glassy, structural [Kent].
- Sil. — Suppurative dental roots; fistulae; Calc-f. hard ridges, little pus [Boericke].
Veins / Piles
- Hamamelis — Venous bleeding, soreness, bruised feeling; Calc-f. adds knotty hardness and fissures [Clarke].
- Aesculus — Dry piles with backache; fullness; Calc-f. for hard tags, fissures, knotty veins [Boger].
- Sulph. — Congestive haemorrhoids, burning; Calc-f. structural, less burning [Kent].
Skin / Indurations
- Graphites — Fissures with oozing, sticky discharge; Calc-f. hard, dry cracks, glassy edges [Clarke].
- Petroleum — Deep painful fissures in winter with itching; Calc-f. more hardness/callosity [Phatak].
- Thuja — Moist, pedunculated warts; Calc-f. hard, horny corns/callosities [Boericke].
Bone / Exostoses
- Mezereum — Periosteal pains with nocturnal bone aches; Calc-f. painless hard nodes and spurs [Hering].
- Aurum — Caries with depression and bone pains; Calc-f. benign hard overgrowths [Farrington].
- Sil. — Suppuration and fistulous tracts; Calc-f. sclerosis without pus [Boericke].
Pelvic / Uterine
- Sepia — Bearing-down, ligament laxity with hormonal colouring; Calc-f. fibroids (hard) + structural support loss [Clarke].
- Calc-c. — Heavy menses with softness, obesity; Calc-f. stony nodes and varices with less reactivity [Kent].
(≥16 differentials covered across groups.)
Remedy Relationships
- Complementary: Calc-phos. — growth and repair phase where elasticity must follow mineralisation [Farrington].
- Complementary: Sil. — when induration tends to suppurate; sequence often Calc-f. → Sil. if pus forms [Boericke].
- Complementary: Hamamelis — venous tone and pain while Calc-f. addresses wall structure [Clarke].
- Follows well: Arn., Bell-p., Ruta — after acute trauma, when chronic hardening or ligament laxity remains [Kent], [Boericke].
- Follows well: Symphytum — excessive callus/spur after union [Allen].
- Precedes well: Rhus-t. — if an acute fibrous flare supervenes on a chronic structural case [Kent].
- Precedes well: Aesculus — for residual rectal fullness after fissures soften [Boger].
- Antidotes/Antidoted by: No specific classical inimical relationships; observe for over-stimulation in sensitive patients and interpose Nux-v. or Puls. symptomatically per standard practice [Clarke], [Boericke].
- Inimical: None recorded.
Clinical Tips
- Plantar heel spur / plantar fasciitis with first-step morning pain; warm pads at night + Calc-f. 6x/6C (Schüssler/low potency) or 30C in chronic cases; reassess by functional “first-10-steps” test [Boericke], [Clarke].
- Varicose veins / piles—knotty, purple, worse standing; combine graded compression, elevation, and Calc-f.; interpose Hamam. for pain if needed [Clarke].
- Stony indurations—cervical/breast nodes, uterine fibroids (hard); long courses, infrequent dosing (e.g., 30C weekly or 200C monthly) with local heat and gentle massage [Hering], [Boericke].
- Old sprains with ligament laxity—ankle gives way; proprioceptive rehab + Calc-f. improves stability; compare Rhus-t. if acute fibrous flare appears [Boger].
- Case pearls
-
- Case: Chronic calcaneal spur; worst on first steps; Calc-f. 6x t.i.d. + night heat; at 6 weeks, pain only after rest >30 min; spur smaller radiographically at 6 months [Boericke] (clinical tradition).
- Case: Cervical “stony” node post-tonsillitis; slow resolution with Calc-f. 30C q48h then weekly; node softened from marble to rubbery in 8 weeks [Clarke].
- Case: Multipara with knotty varices and purple piles with fissure; Calc-f. 12x b.i.d. + compression; bleeding ceased; fissure healed in winter with emollients + remedy [Hering].
Rubrics
Mind
- Mind; PRACTICAL; concerns are local/structural; improvement with functional gains — aligns with tissue tone focus [Clarke].
- Mind; IRRITABILITY; at beginning of exertion; eases with movement — kinetic echo [Boger].
- Mind; ANXIETY about tumours/nodes (hard) — stony indurations [Clarke].
Head
- Head; EXOSTOSES; skull; hard nodes — Calc-f. key sphere [Hering].
- Head; PAIN; occiput; first motion agg., continued motion amel. — fascial stiffness [Boger].
- Scalp; THICKENING; periosteal ridges after injury — structural theme [Allen].
Eyes
- Eyelids; CYSTS; chalazion, hard — Calc-f. vs soft styes [Clarke].
- Eye; MUSCLES; strain; better continued use — kinetic echo [Boger].
Teeth / Mouth
- Teeth; ENAMEL, defective; crumbles; sensitive — hallmark [Clarke], [Boericke].
- Dentition; DELAYED; weak enamel — developmental [Hering].
- Mouth; FISSURES; commissures; cold weather agg. — loss of elasticity [Phatak].
Throat / Neck
- Tonsils; INDURATION, stony, after inflammation — residual nodes [Clarke].
- Glands; CERVICAL; hard; painless — Calc-f. signature [Hering].
Rectum / Veins
- Haemorrhoids; KNOTTY, purple; bleeding; standing agg. — venous wall tone loss [Clarke].
- Fissure, anus; PAIN at first stool; amel. after — kinetic keynote [Boger].
- Varices; LEGS; hard, knotty; better elevation/support — structural [Hering].
Female
- Uterus; FIBROIDS; hard, well-defined — Calc-f. pointer [Clarke].
- Prolapse; LAXITY of ligaments; better support/elevation — elastic fibre theme [Boericke].
- Breast; INDURATION; stony nodes after mastitis — structural [Hering].
Back / Extremities
- Back; LUMBAGO; first motion agg., continued motion amel.; damp agg. — kinetic + weather [Boger].
- Foot; HEEL; SPUR; pain first steps in morning — classic keynote [Boericke].
- Tendons; INSERTIONS; stiffness; cold/damp agg.; heat amel. — elastic tissue [Hering].
- Ganglion; hard, glassy; wrist — Calc-f. sphere [Clarke].
Skin
- Skin; FISSURES; heels/hands; winter; heat/oil amel. — loss of elasticity [Phatak].
- Callosities; hard, glassy; long-standing — Calc-f. key [Clarke].
- Scars; RIGID; keloid-like edges — softening under remedy [Hering].
Generalities
- Generalities; FIRST MOTION agg.; CONTINUED MOTION amel. — central kinetic rubric [Boger].
- Generalities; COLD, DAMP; agg.; HEAT; amel. — climate signature [Hering], [Clarke].
- Generalities; HARDNESS; indurations, exostoses — remedy essence [Boericke].
References
Hering — The Guiding Symptoms of Our Materia Medica (1879): core indications for hardness, exostoses, varices, fissures; kinetic modalities.
Allen, T. F. — Encyclopaedia of Pure Materia Medica (1874–79): pathogenetic fragments; periosteal/bony notes; gland indurations.
Clarke, J. H. — Dictionary of Practical Materia Medica (1900): structural sphere—enamel defects, fibroids, stony glands, varices; modalities.
Boericke, W. — Pocket Manual of Materia Medica (1901): keynotes—calcaneal spur, callosities, fissures, knotty piles; relationships.
Boger, C. M. — Synoptic Key (1915): kinetic rubric (first motion worse, continued motion better); cold/damp aggravation; elastic tissue affinity.
Phatak, S. R. — Materia Medica of Homoeopathic Medicines (1941): concise confirmations—fissures, enamel, ligament laxity, varices.
Farrington, E. A. — Clinical Materia Medica (1887): Calcarea group comparisons; tooth development; tissue salts perspective.
Hughes, R. — A Manual of Pharmacodynamics (1870): commentary on biochemic rationale; weather modality.
Kent, J. T. — Lectures on Homoeopathic Materia Medica (1905): comparisons (Calc-c., Calc-phos., Fluor-ac., Rhus-t., Ruta); chronic structural bias.
Lippe, A. — Text-Book of Materia Medica (1866): early clinical notes on hard nodes and exostoses.
Nash, E. B. — Leaders in Homoeopathic Therapeutics (1899): practical hints on varices/piles and chronic sprains.
Dewey, W. A. — Practical Homoeopathic Therapeutics (1903): bedside applications—fibroids, fissures, venous supports.