Si Wu Tang
四物汤 (Si Wu Tang)
Source: Tai Ping Hui Min He Ji Ju Fang (Song, 1107)
Blood deficiencyMenstrual irregularityPale complexionDizziness and blurred visionAmenorrheaDysmenorrheaPost-menstrual fatigue
Description
Si Wu Tang (Four Substances Decoction) is the foundational formula for nourishing and invigorating Blood. Shu Di Huang and Dang Gui nourish Blood while Chuan Xiong moves Qi and Blood to prevent stagnation. Bai Shao softens the Liver and relieves pain. This formula underlies most gynecological Blood-nourishing formulas in TCM.
Composition
| Herb | Amount | % | Role | Function |
|---|---|---|---|---|
| Dang Gui | 9g | 25% | Chen (Deputy) | Tonifies Blood, invigorates Blood, regulates menstruation. |
| Bai Shao | 9g | 25% | Chen (Deputy) | Nourishes Blood, softens Liver, alleviates pain. |
| Chuan Xiong | 6g | 16.67% | Zuo (Assistant) | Invigorates Blood, promotes Qi movement, prevents stagnation. |
| Shu Di Huang | 12g | 33.33% | Jun (Chief) | Nourishes Blood and enriches Essence as primary tonic. |
Total weight: 36g
Preparation
Decoct in water for 30 minutes. Take warm in 2 doses/day, ideally before meals.
Dosage
Decoction: 1 dose/day. Pills: 6–9g twice daily.
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62%
match
4 shared herbs of 10 — Shu Di Huang, Dang Gui, Bai Shao, Chuan Xiong
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1 shared herb of 6 — Shu Di Huang
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1 shared herb of 8 — Shu Di Huang
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match
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match
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match
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Match score combines dosage-weighted composition (cosine, 70%) with shared-herb overlap (Jaccard, 30%).