Fossilized bone (LONG GU)
Pharmaceutical Name:
Draconis Os
Latin Name:
Common Name:
Fossilized bone
Part Used:
Bone
Draconis Os is produced mainly in the provinces of Shanxi, Henan, Shananxi, Gansu, and Hebei.
Properties Taste & Meridians:
Sweet and astringent in flavor, slightly cold in property, acts on the Heart and Liver channels.
Functions:
Soothes the Liver and subdues Yang, tranquilizes the mind.
Indications & Combinations:
1. For restlessness and anger, and for dizziness due to hyperactivity of Yang caused by Yin Deficiency, it is used with Radix Paeoniae Alba (Bai Shao) and Concha Ostreae (Mu Li) in “The Decoction for Subduing the Liver to Stop Wind” (Zhen Gan Xi Feng Tang).
2. For deranged thoughts, palpitation, insomnia, and epilepsy, it is used with Radix Polygalae (Yuan Zhi) and Ostreae (Mu Li).
3. For seminal emissions, leukorrhea, sweating due to weakness, and metrorrhagia. For seminal emissions due to Kidney Deficiency, it is used with Ostreae (Mu Li) and Semen Euryales (Qian Shi). For leukorrhea and metrorrhagia, it is used with Ostreae (Mu Li), Rhizoma Dioscoreae (Shan Yao), and Os Sepiae seu Sepiellae (Hai Piao Xiao). For sweating due to weakness, it is used with Ostreae (Mu Li) and Fructus Schisandrae (Wu Wei Zi).
Dosage and administration:
15–30 g, decocted in water before the other herbs. Proper amount for external use.
Precautions:
