What Tuo Li Xiao Du San is for
This is the formula for the sore that will not close because the person has little to heal with: a lesion that drains thin fluid, surrounding skin that is pale, and a cycle of closing and breaking down again. It tonifies the Qi and Blood that rebuild tissue while clearing what toxicity remains, so healing can proceed rather than stall.
The lesion is chronic or recurrent, and it drains thin fluid rather than thick pus. It closes and then breaks down again, and the skin around it is pale and thin, which is why it cannot finish repairing. There may be several lesions that come and go, or one that stalls after an initial response. The picture is a sore on a surface that has nothing to build with, rather than the tight, hot swelling of a robust person with an acute abscess.
Ren Shen and Huang Qi supply the Qi that drives repair, while Dang Gui, Chuan Xiong and Bai Shao supply the Blood that rebuilds tissue, so the lesion has something to close with. Bai Zhu and Fu Ling strengthen the Spleen so Qi and Blood can be produced, and Gan Cao supports the middle. Jin Yin Hua clears the residual toxicity gently, while Bai Zhi and Zao Jiao Ci disperse swelling and promote discharge, and Jie Geng guides the group to lesions of the upper body. It is a supporting formula rather than a purely draining one.
It is wrong for the strong patient with an acute hot abscess: there the excess needs clearing, and tonifying would hold the pathogen in. The distinction is the constitution of the person, not the lesion alone. Used for the chronic or recurrent sore in a pale, depleted person, it is taken for one to four weeks with review, and a wound that will not heal needs medical assessment.
Actions
- Tonifies Qi and nourishes Blood
- Resolves toxicity
- Expels pus and promotes healing
- Supports the interior so sores can close
Properties
- Taste and temperature: Predominantly sweet and bitter. Sweet tonifies Qi and Blood, bitter clears Heat and resolves toxicity, with acrid notes to disperse.
- Organs: Spleen, Heart, Liver, Lungs
- Channels: Spleen, Heart, Liver, Lung
The pattern behind it
The root is deficiency that prevents healing. Qi and Blood are what generate new tissue and expel what should not remain, so when they are low a lesion drains thin fluid and closes slowly. The formula supports the production of Qi and Blood while clearing the residual toxicity and helping the pus out.
Composition
The herbs in Tuo Li Xiao Du San, with their role and dose.
| Role | Herb | Dose | Properties | Why it is there |
|---|---|---|---|---|
| Huang Qi | 6 to 15 g | Slightly warm, Sweet | Tonifies Qi and promotes tissue repair, supporting the healing that has stalled. | |
| King | Ren Shen | 6 to 10 g | Slightly warm, Sweet | The leading tonic for the depletion that is preventing healing. |
| Dang Gui | 6 to 12 g | Warm, Sweet, pungent | Nourishes Blood and keeps it moving, supplying the tissue that needs to rebuild. | |
| Chuan Xiong | 6 to 9 g | Warm, Pungent | Moves Qi and Blood so the tonics reach the lesion rather than stagnating. | |
| Bai Shao | 6 to 9 g | Slightly cold, Bitter, sour | Nourishes Blood and softens tension in the tissue. | |
| Jin Yin Hua | 6 to 12 g | Cold, Sweet | Clears the residual toxicity while being gentle on the Stomach. | |
| Bai Zhu | 6 to 9 g | Warm, Bitter, sweet | Strengthens the Spleen so that Qi and Blood can be produced. | |
| Fu Ling | 6 to 12 g | Neutral, Sweet, bland | Supports the Spleen and drains the thin discharge that accompanies deficiency. | |
| Bai Zhi | 3 to 9 g | Warm, Pungent | Disperses swelling and relief for lesions of the upper body, including the face and head. | |
| Zao Jiao Ci | 3 to 6 g | Warm, Pungent | Promotes suppuration and discharge, helping the lesion come to a head and drain. | |
| Jie Geng | 3 to 6 g | Neutral, Bitter, pungent | Guides the formula upward toward lesions of the upper body. | |
| Gan Cao | 3 to 6 g | Neutral, Sweet | Harmonises the formula and supports the middle. |
Patterns it treats
Toxic-Heat
A chronic or recurrent sore that drains thin fluid, surrounded by pale skin, closing and then breaking down again. Healing has stalled for lack of Qi and Blood to rebuild the tissue.
How the formula is built
The formula is a support team rather than a strike force. The tonics rebuild the Qi and Blood that healing requires, the toxicity is cleared gently by Jin Yin Hua, and the dispersing herbs help the lesion drain. That is why it suits the chronic sore in a depleted person, and why it is the wrong tool for the strong patient with an acute hot abscess, where tonifying would hold the pathogen in.
Skin conditions it is used for
Where this formula appears in the skin conditions of the library.
Preparation and use
Taken as a powder in warm water, or decocted, in two divided doses.
Modifications
- If the lesion is discharging heavily, expelling herbs are increased.
- If the person is very depleted, the tonics are increased.
- If there is still active Heat, more cooling herbs are added.
- For chronic non-healing wounds, the course is extended with review.
Timing
Taken in two divided doses.
Duration
One to four weeks, adjusted to the healing progress and reassessed regularly.
Diet while taking it
Warm cooked nourishing food to support the tonifying side of the formula.
Safety
Contraindications
Avoid in excess-type sores with a strong constitution: where the lesion is acute, hot and the person is robust, the tonifying herbs can trap the pathogen. Also avoid where there is active unresolved Heat without deficiency.
Interactions
Ren Shen and Huang Qi may affect blood sugar and immune function, and Gan Cao can interact with diuretics, digoxin and corticosteroids.
Pregnancy
Use with caution in pregnancy. While none of the herbs is strongly contraindicated, several have moving or dispersing actions and professional guidance is needed.
Breastfeeding
Use only under professional guidance.
Children
Used only with professional supervision.
Before you use it
Recorded from the classical record and rewritten in this project's own words. Educational only: not a prescription, and a wound that will not heal needs medical assessment.
General safety references
General references for herbal hepatotoxicity and herb-drug interactions; they are not specific to this formula.
- Review article: Herbal hepatotoxicity - an update on traditional Chinese medicine preparations. Alimentary Pharmacology & Therapeutics, 2014. PMID: 24844799.
- Interactions between herbal medicines and prescribed drugs: an updated systematic review. Drugs, 2009. PMID: 19719333.
- Warfarin and food, herbal or dietary supplement interactions: a systematic review. British Journal of Clinical Pharmacology, 2021. PMID: 32478963.
Selected PubMed records
Real PubMed records for the modern, non-TCM discussion of this formula. They are references, not a claim that the formula is proven for any skin condition.
Origin and history
Wai Ke Zheng Zong (外科正宗, Orthodox Manual of External Medicine) by Chen Shigong, Ming dynasty, 1617.
Chen Shigong published the Wai Ke Zheng Zong in 1617, and it remains one of the central surgical manuals. This formula is his answer to the sore that will not heal in a depleted patient: where the classical abscess formulas assume a strong body that needs clearing, this one assumes a weak body that needs support, and it tonifies and resolves at the same time.
Classical record
Chen Shigong recorded the formula for sores where the interior needs support: the lesion is chronic, the discharge is thin and the person is depleted, so the treatment tonifies while resolving the toxicity.
Wai Ke Zheng Zong (外科正宗, Orthodox Manual of External Medicine), Chen Shigong, Ming dynasty, 1617.
Evidence note
No controlled trial of this treatment in skin conditions was identified for this entry. What is described here rests on the classical and later materia medica record and on traditional clinical use, not on controlled trial evidence, and it is not a prediction of benefit. Where skin-specific research does exist it is linked above.
Common questions
How is it different from Xian Fang Huo Ming Yin?
Xian Fang Huo Ming Yin is for the strong patient with an acute hot sore. This formula is for the depleted patient whose sore will not heal, and it tonifies as well as clearing.
Why does a sore formula contain tonics?
Because healing requires Qi and Blood. In a depleted person the lesion cannot close because there is nothing to build with, so the tonics are the main treatment.
Can it be used on an acute abscess?
No. An acute hot abscess in a robust person needs clearing and possibly drainage, and tonifying could trap the pathogen.
How long does it take?
One to four weeks, adjusted to how the lesion responds and reassessed regularly.