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Materia Medica

Castor Equi

Rudimentary Thumb-nail of the Horse
9 sectionsBoericke · 4Clarke · 5

At a glance

Cardinal features · auto-extracted from Boericke · Clarke
  • Psoriasis linguae
  • cracked and ulcerated nipples

Essence

Prologue
Boericke

Rudimentary Thumb-nail of the Horse

  • General action on thickening of the skin and epithelium.
  • Psoriasis linguae.
  • The clinical experience of Hering and his fellow-provers has shown this to be highly useful remedy in cracked and ulcerated nipples.
  • Affects principally female organs.
  • Acts on the nails and bones; pain in right tibia and coccyx.
  • Warts on forehead.
  • Warts on breast.
  • Chapped hands.
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Keynotes

Characteristics
Clarke

This is a very ancient remedy, and was proved and introduced into

homeeopathy by Hering. It especially acts on the nipples, the nails, and bones, especially causing

pains in right tibia and coccyx. Burnett has cured with it a case of wart on forehead.

Stomach

Symptoms — Appetite
Clarke

Desire, to smoke tobacco.

12, 13. Abdomen and Stool.—Colic with urging wakes him in the morning, followed by a very

thin, watery, somewhat burning stool; with passage of offensive flatus—Pain in |. inguinal

region.

Female

Symptoms — Female Sexual Organs
Clarke

Cracked, sore nipples in nursing women, excessively tender,

cannot bear touch of clothing; even in neglected cases, ragged, nipples almost hanging.—Breasts

swollen, sensitive; itching internally, painful on descending stairs.

Chest

Chest
Boericke

Cracked, sore nipples, excessively tender. Swelling of mammae. Violent itching in breasts; areola reddened.

Clinical

Clinical
Clarke
  • Coccygodynia.
  • Epilepsy.
  • Nails, affections of.
  • Nipples, cracked; ulcerated.
  • Warts.

Relations

Relations
Clarke

Hep. relieves the sore nipples; Thuja has removed warts caused by Cast. eq.

  • Compare: Calc.
  • oxal.
  • , Hippoman.
  • , Castoreum, Moschus.
Relationship
Boericke

Compare: Graphites; Hippomanes; Calc. Oxal.

Posology

Dose
Boericke

Sixth and twelfth potency.

Classical Posology

Acute
  • 30C or 200C · repeat every 1–4 h depending on intensity
  • Stop on improvement · reassess in 24–48 h
  • For sensitive / elderly / paediatric: prefer LM1 or 30C
Constitutional
  • 200C or 1M single dose · wait 4 weeks
  • Alternative: LM1 daily × 10 days · ascend on retest
  • Hering's-Law follow-up adapts the next script
Citations: Organon §246 (interval / repetition) · §161 (plussed water) · §282 (LM ascension) · Kent on selection · Vithoulkas on second prescription. Open Repertify for the case-specific dose with the rule cited inline.
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