Natural Ox Bezoar — Classic Formulas

Niu Huang · Calculus Bovis

Primary Actions

  • Opens the Heart orifices and revives consciousness - Niu Huang is one of the classic substances for hot-closed patterns with fever, delirium, stroke-like collapse, and phlegm-heat clouding the spirit.
  • Clears Heat, resolves toxicity, and benefits the throat and mouth - it is used for severe sore throat, oral ulcers, carbuncles, and fire-toxin conditions where intense heat affects the upper body.
  • Extinguishes Liver Wind and stops convulsions - classical indications include high-fever convulsions, infantile fright-spasm patterns, and heat stirring internal wind.

Classic Formulas

  • An Gong Niu Huang Wan - iconic emergency formula for heat entering the Pericardium with coma, delirium, and hot-closed stroke patterns.
  • Xi Huang Wan - toxin-resolving formula for deep abscesses and masses in which Niu Huang works with She Xiang and resins.
  • Niu Huang Qing Xin Wan - broad orifice-opening and heat-clearing patent-style formula for phlegm-heat disturbing the spirit.
  • Pediatric convulsion powders and formulas - traditional use for high-fever wind and phlegm-heat agitation in children.

Classical Text References

  • Traditional herb texts describe Niu Huang as bitter and cool, entering the Heart and Liver to open the orifices, extinguish wind, and clear toxin.
  • Its presence in An Gong Niu Huang Wan made it one of the most famous emergency medicinals for hot-closed presentations in warm-disease medicine.
  • Classical and modern practice both distinguish natural Niu Huang from artificial substitutes, recognizing that they are related but not identical substances.