Castor equi

Natural History.
     Rudimentary Thumb-nail of the Horse

General.
     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.

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

Relationship.
     Compare: Graphites; Hippomanes; Calc. Oxal.

Dose.
     Sixth and twelfth potency.