Chaihu Dayuan Yin

Name

Bupleurum Decoction for Eliminating Phlegm-dampness in Pleuro-diaphragmatic Interspace

The Prescription of Chaihu Dayuan Yin

Source

The book Chong Ding Tong Su Shang Han Lun

Ingredients

• Chai Hu (Radix Bupleuri) 5 g,
• Zhi Qiao (Fructus Aurantii) 5 g,
• Hou Po (Cortex Magnoliae Officinalis) 5 g,
• Qing Pi (Pericarpium Citri Reticulatae Viride) 5 g,
• Zhi Gan Cao (Radix Glycyrrhizae Preparata) 2 g,
• Huang Qin (Radix Scutellariae) 5 g,
• Jie Geng (Radix Platycodi) 3 g,
• Cao Guo (Fructus Tsaoko) 2 g,
• Bing Lang (Semen Arecae) 6 g,
• He Ye Geng (Petiolus Nelumbinis) 12 g.

Explanation

Chai Hu: The principal drug, being bitter and pungent in flavor and slightly cold in nature, promoting the out-going of exopathogens in the half interior.

Huang Qin: The principal drug, purging the stagnated heat.

Zhi Qiao and Jie Geng: Activating the Qi in the upper-Jiao with the former ascending and the latter descending.

Hou Po and Cao Guo: Being pungent in taste and drastic in nature, eliminating turbidity, drying dampness, resolving phlegm, regulating the Qi of the middle-Jiao.

Qing Pi and Bing Lang: Letting Qi go downwards to relieve its stagnation, removing phlegm and stagnated food, promoting the flow of Qi of the lower-Jiao.

He Ye Geng: Being good at promoting the flow of Qi, relieving the choking sensation in the chest.

Zhi Gan Cao: Invigorating Qi, regulating the stomach, tempering the actions of all the other ingredients.

The Effect of Chaihu Dayuan Yin

Effect

Drying dampness and resolving phlegm, eliminating pathogenic factors from pleurodiaphragmatic interspace.

Indications

Syndrome due to phlegm-dampness stagnated in pleuro-diaphragmatic interspace, marked by fullness in the chest and hypochondrium, restlessness, burning sensation in the heart, dizziness, greasy mouth cavity, difficulty in expectoration, onset of alternative chills and fever as that in malaria every other day, thick rough tongue coating and taut slippery pulse; including such diseases with the above symptoms as malaria, infection of the biliary system, etc.

Administrations

Decocted in water for oral dose to be taken twice.