Ox gallstone (Niuhuang)
Bos taurus domesticus Gmelin (Fam. Bovidae)
Pharmaceutical Name: Calculus Bovis
Zoological Name: Bos taurus
domesticus Gmelin (Fam.
Bovidae)
Common Name: Ox gallstone, Bos calculus
Source of Earliest Record: Shennong
Bencao Jing.
Part Used & Method for Pharmaceutical
Preparations: The gallstone of an ox is collected in any season, or the
bile of an ox or pig is used instead. After gathering, the material is dried
and made into powder or pills.
Properties & Taste: Bitter and cool.
Meridians: Liver and heart.
Functions: 1. To clear heat and release
toxins; 2. To eliminate endogenous wind and stop convulsions; 3. To resolve
phlegm and promote resuscitation.
Indications & Combinations:
1. Loss of consciousness and convulsions
caused by high fever. Ox gallstone (Niuhuang) is used with Coptis root
(Huanglian), Rhinoceros horn (Xijiao) and Musk (Shexiang) in the formula Angong
Niuhuang Wan.
2. Sore throat or ulcers and boils due to
accumulation of toxic heat. Ox gallstone (Niuhuang) is used with Natural
indigo (Qingdai) and Honeysuckle flower (Jinyinhua).
3. For sore throat, ulcers in the mouth,
carbuncles, and boils, it is used with
Radix Scutellariae (Huang Qin) and Realgar (Xiong Huang) in “Bezoar Bolus for
Resurrection” (An Gong Niu Huang Wan).
Dosage: 0.2-0.5 g used in bolus or
powder. Appropriate quantity for external use.
Cautions & Contraindications: Contraindicated
in pregnancy and for use in patients with Excess Heat.
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