zhou che wan

Name: zhou che wan
Creator: Bencao Index

Vessel and Vehicle Pill

About zhou che wan

Zhou Che Wan, Vessel and Vehicle Pill, is Gan Sui, Yuan Hua, Jing Da Ji, Qian Niu Zi, Da Huang, Qing Pi, Chen Pi, Bing Lang, Mu Xiang and Qing Fen. The catalogue classes it among the formulas that drive out excess water.

Ingredients

Herb	Amount
gan sui	30 g
yuan hua	30 g
jing da ji	30 g
qian niu zi	120 g
da huang	60 g
qing pi	15 g
chen pi	15 g
bing lang	15 g
mu xiang	15 g
qing fen	3 g

Actions and indications

Drastically expels water

Excess accumulation of water and Heat with Qi stagnation, only in a strong, robust patient
Marked oedema or ascites with a hard, tense, distended abdomen
Laboured breathing or difficulty lying flat as fluid presses upward
Thirst, often without much wish to drink; scanty dark urine, painful urination or no urine; constipation
Tongue red with a slippery coat; pulse deep, forceful and rapid

Moves Qi and purges Heat accumulation

Severe, generalised water-Heat build-up with pronounced Qi stagnation

Modern uses

Ascites
Ascites from liver cirrhosis
Cirrhosis of the liver
Liver cirrhosis from alcohol
Fluid retention in cardiac or renal disease
Chronic hepatitis
Oedema
Obesity
Schistosomiasis
Uremia

Symptoms

Abdominal distention
Abdominal rigidity
Ascites
Constipation
Edema
Inability to lie flat
Painful urination
Scanty urination
Shortness of breath
Thirst
Thirst with no desire to drink

Cautions

pregnancy Contraindicated in pregnancy: its drastic purgatives are toxic, as is the mercury compound in the classical version
contraindication Contraindicated in weak, elderly, debilitated or deficient patients; reserved for strong excess constitutions
contraindication Unsuitable for oedema that is long-standing or due to deficiency
caution Highly toxic overall; its harsh purging herbs (Gan Sui, Yuan Hua, Jing Da Ji, Qian Niu Zi) mean it is given only with close professional supervision
caution The classical version holds Qing Fen (calomel), a toxic mercury compound whose safety depends on strict processing and very small amounts
caution Give once only; repeat, at a lower amount, only if the patient improves and stays strong, and stop once the acute excess resolves
caution Da Ji here is Jing Da Ji (Peking spurge root), not the non-toxic thistle also called Da Ji
caution Do not combine with Gan Cao, which clashes with several herbs in it

Preparation

Small pills taken with warm water, a form chosen so that a small, exact amount of a toxic formula can be given

Names

Pinyin	zhou che wan
English Name	Vessel and Vehicle Pill

Classification

Category: Drive out Excess Water

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