Dan Dao Qu Hui Tang
Star胆道驱蛔汤 (Drive Roundworms from the Biliary Tract Decoction)
Source: New [Text on the] Acute Abdomen (1978)
Last updated October 1, 2026
Description
Dan Dao Qu Hui Tang (Drive Roundworms from the Biliary Tract Decoction), from New [Text on the] Acute Abdomen (1978).
Associated formula of Hua Chong Wan.
Actions: Promotes the movement of qi; Dissipates clumps; Expels parasites; Alleviates pain
Usage: For parasites with severe abdominal pain and a mass, usually right upper quadrant; designed for biliary roundworms but used for various intestinal parasites.
Category: Formulas that Expel Parasites.
Source: Scheid V, Bensky D, Ellis A, Barolet R. Chinese Herbal Medicine: Formulas & Strategies, 2nd ed. Eastland Press, 2009, p. 854.
Composition
| Herb | Amount | % | Role | Function |
|---|---|---|---|---|
|
Mu Xiang
as printed: Aucklandiae Radix (mu xiang) 9g
|
9g | 12% | — | |
|
Zhi Ke
as printed: Aurantii Fructus (zhi ke) 6g
|
6g | 8% | — | |
|
Bing Lang
as printed: Arecae Semen (bing lang) 30g
|
30g | 40% | — | |
|
Ku Lian Pi
as printed: Meliae Cortex (ku lian gen pi) 15g
|
15g | 20% | — | |
|
Shi Jun Zi
as printed: Quisqualis Fructus (shi jun zi) 15g
|
15g | 20% | — |
Energetics dose-weighted
The formula's overall nature, taste balance and channel reach, weighted by each herb's dose. Classical formulas often pair warm and cool herbs on purpose, so a net figure summarises the mix — it doesn't describe every herb in it.
Nature
Net neutral (+0.24)
From 100% of the weighed grams.
Grams by band: cold 20%, cool 8%, warm 72%.
Pairs warm and cool. 72% of the weighed grams are warm or hot and 28% cool or cold — the net is their average, not the whole story.
Taste
- pungent 29%
- sweet 20%
- sour 3%
- bitter 49%
From 100% of the weighed grams.
Channels reached
- Stomach 100%
- Large intestine 60%
- Spleen 60%
- Liver 20%
- Gallbladder 12%
- Lung 8%
Share of the grams entering each channel, from 100% of the weighed grams.
Dose-weighted from each herb's recorded nature, taste and channels (missing values are left out, never counted as neutral). It describes the composition — it is not a recommendation.
Preparation
Decoction.
Relationships
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Formula Network
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Similar Formulas by composition
Match score combines dosage-weighted composition (cosine, 70%) with shared-herb overlap (Jaccard, 30%).
Traditional formula information is for educational purposes only. Herbal formulas should be prescribed by a qualified practitioner — dosages and combinations are individualized and can interact with medications.
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