Castor equi
Rudimentary Thumb-nail of the Horse
Boericke, Pocket Manual of Homœopathic Materia Medica, 9th ed., 1927, p. 180
General action on thickening of the skin and epithelium. Psoriasis linguæ. 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.
Chest
Cracked, sore nipples, excessively tender. Swelling of mamme. Violent itching in breasts; areola reddened.
Relationship
Compare: Graphites; Hippomanes; Calc.Oral.
The book’s Dose section is left out: Samepath quotes the books but gives no dosing advice.