Whole herbsBlood-activatingGendarussae Vulgaris Herba

Bo Gu Dan (Common Gendarussa Herb)

A practical guide to Bo Gu Dan: what it is, how Traditional Chinese Medicine uses it, the classical formulas it appears in, and who should be careful with it.

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Last reviewed Oct 29, 2026

Quick Facts

Latin NameGendarussae Vulgaris Herba
Chinese Name & Pinyin 駁骨丹 · Bo Gu Dan
Medicinal PartWhole herbs
The itemBo Gu Dan is the dried aerial parts of Gendarussa vulgaris, usually used raw. Xiao Bo Gu is not this herb. It usually goes into decoctions, with fresh herb applied externally.
Nature and channelsAcrid, bitter, neutral. Enters the Liver and Kidney. It disperses stasis and reduces swelling, and harmonizes the sinews and bones.
Pharmacopoeia lineDisperses stasis and reduces swelling. Harmonizes the sinews and bones. Used for sprains, early injury with swollen painful area, wind-dampness sinew-bone pain, and local stasis swelling after a fall.
Pattern cuesSprain swelling. Painful limited movement. Sore stiff sinews. Wind-dampness aching.
In this articleBo Gu Dan versus Xiao Bo Gu. Clearing local stasis versus warming the collaterals. Why long-term use consumes qi and blood. Why pregnancy should skip it. Who should not self-use it.

What Is Bo Gu Dan?

Bo Gu Dan (驳骨丹; Bó Gǔ Dān; Latin: Gendarussa vulgaris; English: gendarussa herb) in the current pharmacopoeia is the dried aerial parts of Gendarussa vulgaris, an evergreen shrub of the acanthus family, gathered in summer at the flowering stage, usually used raw. It is acrid, bitter, and neutral, enters the Liver and Kidney channels, and its core actions are to disperse stasis and reduce swelling, and to harmonize the sinews and bones. It usually goes into decoctions. The usual amount is 3–10 g. It needs no special handling in a decoction. External use is a suitable amount of the fresh or dried herb pounded and applied.

It is not Xiao Bo Gu. Xiao Bo Gu is warm and acrid, warms and unblocks the collaterals for sinew-bone pain that worsens with cold. Bo Gu Dan is neutral, clears and disperses local stasis, and fits acute injury with red, swollen, hot pain. Pregnancy is a caution. A heat-type acute injury with red hot swelling, or broken infected skin, should not use it on its own.

It is used most often for three patterns:

  • Sprains and early injury: red, swollen, painful area with limited movement
  • Wind-dampness and long strain: sore stiff sinews and bones
  • Local stasis swelling after a fall

Acrid, bitter, and neutral, it is not a daily “sinew-bone loosening” herb to keep increasing. Dispersing when there is no stasis, or long-term use, consumes qi and blood.

When external injury blocks local channels, or wind-dampness and overwork strain the sinews and bones, swelling, pain, and stiffness are common. Bo Gu Dan is acrid, bitter, and neutral. It disperses stasis, reduces swelling, and harmonizes the sinews and bones, which is why it appears in Bo Gu Dan Jie Gu San (Gendarussa Bone-Joining Powder)–type formulas. It disperses more than it holds. Pure liver-kidney deficiency with no stasis, or a heat-type acute injury, gets worse if more is added.

Bo Gu Dan is not a catch-all pain or injury herb. In pregnancy, with a heat-type acute injury, or on broken infected skin, using it alone is a poor match. Raw or fresh, and whether it belongs in a formula, should be decided by a licensed Chinese medicine practitioner after pattern diagnosis.

Bo Gu Dan

Bo Gu Dan: Materia Medica Profile

Identification & Quality Standard

Gendarussae Vulgaris Herba

Botanical Origin

The dried stem and leaf (or whole plant) of Justicia gendarussa Burm. f. (Acanthaceae).

Production Regions

Primarily produced in the Chinese provinces of Guangdong, Guangxi, Yunnan, Taiwan, Fujian.

Quality Requirements

Superior material is leafy, green and with young shoots.

Macroscopic Features

Stem cylindrical, branched, 0.2~1 cm diameter; externally purplish-brown to yellowish-brown, nodes swollen, with opposite leaf scars; leaves opposite, lanceolate, 4~14 cm long, entire, dark green; texture brittle; fractured surface pale; slight odor; pungent taste.

Main Regions and Quality Identification

Traditional materia medica and industry experience regard the Lingnan region as the main application area of Bo Gu Dan, with several southern provinces producing relatively large amounts — but actual quality also depends on variety, harvest time, processing, and storage. In appearance, good-quality Bo Gu Dan has yellowish-green stems with pith in the cross-section, intact, bright-green leaves, and a faint fragrance; the difference between the raw and the processed is mainly that the dried raw is relatively brittle and easily broken, while the cut segments are easier to store and decoct. The common look-alikes are other plants of the same family — such as Jie Gu Mu: Bo Gu Dan has narrower leaves and spike inflorescences, while Jie Gu Mu has compound leaves and panicle inflorescences — the key points for telling them apart.

Traditional Properties & Historical Lineage

Nature, Flavour & Channel Tropism

Acrid, Bitter; NeutralLiverKidneyLung

1. Records in Classic Materia Medica

  • Ben Cao Gang Mu Shi Yi: mentions that Bo Gu Dan "treats fractures, joins the sinews and bones, and disperses stasis" — clearly defining its role in regulating sinew-bone injury.
  • Ling Nan Cai Yao Lu: supplements that it "can disperse sore toxins, remove stasis, and generate the new" — extending its application scope.
  • De Pei Ben Cao: notes that it "specifically enters the blood portion of the liver channel, breaking stasis and generating the new" — further defining its channel entry and main action direction.
  • Zhong Hua Ben Cao: as the authoritative modern compendium, also records Bo Gu Dan for sinew-bone injuries and wind-damp bi pain.

These records all revolve around its core actions of dispersing stasis and regulating the sinews and bones.

2. How Views of Its Nature Changed

Views among physicians differ somewhat. Some Lingnan physicians lean more to its stasis-dispersing, swelling-reducing action, mostly for the local regulation of acute sprains; some combine its dampness-drying feature, for easing the local soreness of strain — especially discomfort with a damp feeling; some stress its scope — holding that it fits the stasis discomfort after external injury, while the sinew weakness of simple liver-kidney deficiency needs other tonifying herbs — to avoid over-dispersing when used alone.

Bo Gu Dan

Core Efficacies & Traditional Applications

Traditional Functions

Dispels wind-dampness, activates blood and stops pain, joins bones and renews tendons.

1. First Direction: Dispersing Stasis and Reducing Swelling

  • Traditional action: ease the local stasis blockage and reduce the swelling and pain caused by external injury.
  • Typical signs: commonly seen in falls, sprains, and the local discomfort of early fractures — the injured area is red, swollen, painful, and limited in movement.
  • Usual combinations: often paired with other herbs — such as the blood-activating, stasis-removing Dang Gui and the swelling-reducing, pain-stopping Ru Xiang — combining internal and external use.
  • Who should not self-use: pregnant women, and cases of broken or infected skin, should not self-use — to avoid irritating the local area or affecting the body state.

2. Second Direction: Harmonizing the Sinews and Bones

  • Traditional action: harmonize the qi-blood movement between the sinews and bones, easing the sinew-bone soreness of strain.
  • Typical signs: commonly seen in the sinew-bone discomfort after long labor or exercise — local soreness and stiffness on movement.
  • Usual combinations: often paired with the liver-kidney-tonifying Du Zhong and the sinew-bone-strengthening Xu Duan — taken internally.
  • Who should not self-use: for a simple acute sprain without stasis signs, do not use it alone — to avoid worsening the discomfort.

3. Classic Pairing: Bo Gu Dan With Zi Ran Tong

The common pair is Bo Gu Dan with Zi Ran Tong. Zi Ran Tong itself has the action of dispersing stasis and joining bones; Bo Gu Dan can assist in dispersing stasis and reducing swelling. Combined, the two strengthen the regulation of sinew-bone injury — coordinating with each other to improve the relief of local discomfort; fitting the stasis swelling pain of falls, sprains, and early fractures. This pairing needs the physician's pattern diagnosis — adjust the dose to the specific degree of injury; do not pair blindly on your own.

Bo Gu Dan

Modern Research

Modern research offers useful context, but Traditional Chinese Medicine prescribes on whole-pattern diagnosis rather than isolated compounds.

1. Main Chemical Constituents

The main constituents currently detected in Bo Gu Dan are flavonoids, alkaloids, and volatile oils — natural substances the plant itself contains. In in vitro experiments, some extracts show a certain anti-inflammatory activity, easing the inflammatory response at the cell level; in animal experiments, after giving the Bo Gu Dan extract to an injured animal model, the local swelling decreased to a degree and the recovery speed improved somewhat. Currently, no sufficient human clinical research has reached a clear efficacy conclusion — the related actions are still under further observation.

2. Current Research Directions

Current research on Bo Gu Dan mainly focuses on the activity screening of its constituents — for example, observing the antioxidant action of its flavonoid constituents and the anti-inflammatory potential of its alkaloid constituents. In experiments, some extracts inhibit the release of inflammatory factors in vitro — but such results are only cell-level performances. The research mainly concentrates on basic constituents and has not yet entered the verification level of clinical application — more human studies are still needed to verify its actual regulating action.

3. Limitations of Current Research

  • Lab results are not clinical efficacy — in vitro and animal results cannot be directly equated with the effect after human use.
  • Extracts and monomers are not the same as traditional decoction pieces — the extract concentrations and taking methods used in experiments differ greatly from the slices decocted daily.
  • Doses and preparation methods vary between studies — the experimental results differ and are hard to judge uniformly.
  • A single component does not define the whole herb — Bo Gu Dan's action is the joint result of many constituents; the activity of a single constituent cannot represent the whole herb's overall effect.

Bo Gu Dan

Comparing Similar Herbs

1. What They Share

Choosing Xiao Bo Gu as the similar herb — the two are close in action — they share these points:

  • Both have the main actions of dispersing stasis, reducing swelling, and regulating the sinews and bones.
  • Both are used for the traditional patterns of falls and injuries and muscle-bone discomfort.
  • Both may appear in the formula combinations for muscle-bone problems.
  • Both need constitution and dose considered — overuse is not allowed.

2. The Key Differences: Bo Gu Dan vs. Xiao Bo Gu

  • Nature and flavors: Bo Gu Dan is neutral with acrid and bitter flavors — relatively mild, neither cold nor hot; Xiao Bo Gu is warm with an acrid flavor — leaning warm, more inclined to warm-disperse stasis.
  • Focus: Bo Gu Dan is better at clearing and dispersing local stasis — more fitting for acute injuries with red, swollen, hot, and painful signs; Xiao Bo Gu is better at warming and freeing the channels — more targeted for the sinew-bone soreness caused by catching cold.
  • Qi tendency: Bo Gu Dan is sinking-descending — mainly guiding the medicinal force downward to act on the sinews and bones, easing the local stasis blockage; Xiao Bo Gu carries both a warm-dispersing and a channel-freeing tendency — able to regulate the cold and stasis in the channels at the same time.
  • Best fit: Bo Gu Dan's traditional indicators are the stasis swelling pain after falls and injuries, with local redness; Xiao Bo Gu's indicators are sinew-bone soreness that worsens with cold, with local coldness and stiffness.
  • Not suitable: Bo Gu Dan — broken local skin and pregnant women need caution; Xiao Bo Gu — those of a heat constitution and the acute injuries with red, swollen, hot, and painful signs should not use it, to avoid worsening the heat signs.
  • Use scenes: Bo Gu Dan appears more in the external application or internal formulas of acute injury, for quick swelling-pain relief; Xiao Bo Gu appears more in the regulating formulas for chronic strain or cold-related muscle-bone discomfort, for long-term channel warming.

3. One-Sentence Summary

Simply put, Bo Gu Dan leans toward clearing and dispersing stasis and easing acute injury swelling pain, whereas Xiao Bo Gu leans toward warming and freeing the channels and regulating cold-and-strain soreness. Both can be used for muscle-bone discomfort, but they are not interchangeable.

Bo Gu Dan

Classical Formulas Containing Bo Gu Dan

Classic Formula 1: Bo Gu Dan Jie Gu San (Gendarussa Bone-Joining Powder)

Combination logic: In this formula, Bo Gu Dan is the lord, directly targeting the stasis problem of sinew-bone injury; Zi Ran Tong and Dang Gui are the ministers, strengthening the stasis-dispersing, bone-joining action; Ru Xiang and Mo Yao are the assistants, strengthening the swelling-reducing, pain-stopping effect; Gan Cao is the courier, harmonizing all the herbs. It mainly solves the stasis swelling pain of falls, injuries, and early fractures — working with the other herbs to both disperse stasis and join bones, easing local discomfort. This herb cannot be used alone, because a formula is the joint action of many herbs and a single herb cannot reach the synergy of several.

Traditional use: the traditional direction is the stasis swelling pain after falls, injuries, and fractures — helping ease local swelling and pain and promoting sinew-bone recovery. This is pattern regulation after injury — not aimed at the modern-medicine "fracture" disease itself.

Modern note: modern clinical use requires the doctor's pattern diagnosis and standard care — do not self-apply just because the formula name relates to a certain disease; adjust the use to the specific injury and constitution.

Classic Formula 2: Bo Gu Dan Qu Feng Tang (Gendarussa Wind-Dispelling Decoction)

Combination logic: In this formula, Bo Gu Dan is the lord, harmonizing the sinews and bones and dispersing stasis; Du Huo and Fang Feng are the ministers, dispelling wind and removing dampness; Niu Xi and Du Zhong are the assistants, tonifying the liver and kidney and strengthening the sinews and bones; Sheng Jiang is the courier, harmonizing the nature. It mainly solves the soreness and discomfort of wind-dampness attack and sinew-bone strain — through the synergy of both dispersing stasis and dispelling wind, attending to sinew-bone regulation. This herb cannot be used alone, because the formula needs to attend to dispelling wind, tonifying the liver-kidney, and other aspects — a single herb cannot cover these needs.

Traditional use: the traditional direction is the soreness of wind-damp bi pain and sinew-bone strain — helping ease the local discomfort brought by wind-dampness attack or long-term strain; this is regulation for the bi-pain pattern.

Modern note: modern clinical use requires the doctor's pattern diagnosis and standard care — do not self-apply just because the formula name relates to wind-damp bi pain; the physician must adjust the medication to the specific pattern.

Formulas vs. Single Herbs

A formula is the joint action of many herbs — through the lord-minister-assistant-courier combination, forming an overall regulating effect. A single herb cannot simply replicate a full formula's effect, because a formula's action is the synergy of many constituents and a single herb cannot reach an equal action. The doses and combinations in a formula are holistic — the dose pairings of different herbs are designed for the pattern and cannot be casually adjusted. Do not build formulas from online articles — online information cannot guarantee the rationality of the combination or the accuracy of the dose, which may bring safety risks. The common misunderstanding: a herb that works in a formula does not mean taking it alone produces the same effect — a formula's action is the synergy of many herbs, and a single herb's action is limited.

Diet & Daily Home Use

1. Home Recipes and Teas

Recipe — Bo Gu Dan Dun Shou Rou (Gendarussa Stewed Lean Meat): dried Bo Gu Dan 10 g, lean pork 50 g, Sheng Jiang 2 slices. Wash the Bo Gu Dan, chunk and blanch the lean pork, put both with the Sheng Jiang into a stewing cup, add proper clean water, double-boil 1 hour, and season with a little salt. Suited to easing mild daily muscle-bone strain soreness — especially the discomfort after long desk work or light exercise. Not for pregnant women, those of a heat constitution, or those with acute injuries showing red, swollen, hot, and painful signs. Suggested: 1–2 times a week; do not eat frequently.

Tea — Bo Gu Dan Cha (Gendarussa Tea): dried Bo Gu Dan 5 g, Lü Cha 2 g. Steep both in boiling water, cover 5 minutes, and drink. Suited to mild muscle-bone discomfort — fitting a small daily amount. The unsuitable groups are the same as above. Suggested: 2–3 times a week; after steeping, it can be refilled with water 1–2 times. Note: Bo Gu Dan is a medicinal slice — do not treat it directly as an ordinary food; choose a proper dose under a physician's guidance.

2. Decoction and Processing Differences

Difference between the raw and the processed: the dried raw Bo Gu Dan leans to dispersing stasis and reducing swelling — fitting external use or the regulation of acute injury; the cut segments after simple processing are easy to store and decoct — fitting daily internal use in food therapy or tea. On whether pre-boiling, late addition, bag-boiling, or dissolving is needed: Bo Gu Dan is brittle in texture and needs no special boiling method — it can be decocted together with the other food or herbs. The basic home decoction method: wash the herb, add proper clean water, soak 30 minutes, then stew together with the food. Different forms cannot be converted directly — the medicinal decoction dose differs from the food-therapy dose; do not adjust casually.

3. Dosage and Course

The common dose in traditional prescriptions is 3–10 g for internal use, and an appropriate amount for external use. The difference between the food-therapy and medicinal doses: the food-therapy dose is smaller — usually 5–10 g for daily regulation — while the medicinal dose is larger and adjusted by the physician to the specific condition. Long-term continuous use is not advised, because Bo Gu Dan's dispersing action is relatively strong and long-term use may consume qi and blood. Special groups — especially pregnant women, children, and the elderly — should consult a physician or pharmacist and adjust the use to their body state.

Bo Gu Dan

Contraindications & Safety Warnings

1. Who Should Avoid It

  • Specific constitutions or traditional patterns: those of a heat constitution, those with acute injuries showing red, swollen, hot, and painful signs, and cases of broken or infected skin should not use it — to avoid worsening the heat signs or irritating the local area.
  • Pregnancy and breastfeeding — use cautiously; currently no sufficient safety basis proves it has no effect on the fetus or infant.
  • Children and the elderly — weaker body function — use under a physician's guidance; do not take casually.
  • Liver or kidney impairment — the herb needs liver-kidney metabolism — consult a doctor before use.
  • Allergy to related plants — if allergic to Acanthaceae plants, avoid Bo Gu Dan.
  • Those in special treatment — such as anticoagulant or blood-pressure treatment — consult a doctor first, to avoid interactions.

2. Interactions and Diet Notes

On whether it may affect anticoagulants, blood-pressure medications, glucose-lowering medications, or sedatives: currently no sufficient research clearly defines its interactions with these drugs, but because it has a certain blood-activating action, it may synergize with anticoagulants and increase the bleeding risk. On whether it may affect drug absorption or metabolism: Bo Gu Dan's constituents may affect gastrointestinal absorption — when taken with other medications, watch the interval. On whether it should be separated from other drugs: it is advised to take it 1–2 hours apart from other medications, to avoid affecting absorption. There is no sufficient evidence of a general "food clash" between ordinary foods, but certain herbs can interact with specific drugs — those on medication should consult a doctor or pharmacist first.

3. Adverse Reactions and Overdose Risk

Possible discomfort includes gastrointestinal upset — such as nausea, vomiting, and diarrhea — and local skin irritation (with external use). If marked discomfort, allergy signs, persistent vomiting, breathing difficulty, altered consciousness, or rapidly worsening symptoms appear, stop at once and seek medical care — do not continue handling it on your own.

Frequently Asked Questions About Bo Gu Dan

What is Bogudan? Is it the same as Jiegumu or Gusuibu?
Bogudan is the dried whole plant of Gendarussa vulgaris, Latin name Gendarussae Herba. It is a common Chinese medicine centered on expelling stasis and generating new tissue, reducing swelling and relieving pain, and continuing sinews and setting bones. Jiegumu sets bones and continues sinews while activating blood. Gusuibu tonifies the kidney and strengthens bones. They cannot be used interchangeably in equal amounts. Prescribe as Bogudan. Caution in pregnancy.
What are the composition and effects of Bogudan?
Pharmacopoeial name Bogudan, Latin Gendarussa vulgaris Nees. Pungent and slightly sour in taste, neutral in nature, enters the Liver, Spleen and Kidney meridians. Functions to expel stasis and generate new tissue, reduce swelling and relieve pain, and continue sinews and set bones. Used for traumatic injuries, fractures, and wind-damp bone pain. Continues sinews and sets bones.
How to choose between raw and processed? Can Jiegumu replace it?
Whole plant is used raw. Jiegumu emphasizes activating blood rather than strongly reducing swelling, and cannot replace it in equal amounts. Commercial products are standardized; do not adjust arbitrarily.
What is the dosage of Bogudan? Can it be used daily as a bone-setting tea?
Decoction, 9-15g. Modern use requires physician-determined dosage. It is not a year-round "Bogudan tea." Pregnancy will be further injured by prolonged use. Fractures require short-term, physician-determined dosage and cannot replace evaluation.
What are the contraindications of Bogudan? Can pregnant women use it?
Not suitable for pregnant women. Stop if loose stools or abdominal pain occur. Seek immediate medical care for severe fractures or high fever.
Can Bogudan expel stasis, reduce swelling, and set bones?
It can assist traumatic injuries, fractures, and wind-damp bone pain. It expels stasis and generates new tissue, reduces swelling and relieves pain, and continues sinews and sets bones, but is not a specific remedy for all fractures or all injuries.
Can Bogudan be taken daily as a bone-setting or pain-relieving tea?
Traumatic injuries can be used short-term in formulas; pregnancy will be further injured. The idea that "Bogudan must set bones" cannot replace evaluation. Expelling stasis and setting bones requires physician-determined formulation and dosage.
How to choose between Bogudan, Jiegumu, Gusuibu, Zirantong, and Xuduan?
Bogudan expels stasis and sets bones, suited to fractures. Jiegumu sets bones and continues sinews. Gusuibu tonifies the kidney and strengthens bones. Zirantong disperses stasis and relieves pain. Xuduan tonifies the liver and kidney and strengthens sinews. Choose Bogudan for setting bones; Jiegumu for activating blood; Gusuibu for strengthening bones; Zirantong for dispersing stasis; Xuduan for strengthening sinews. Pattern differentiation applies, but large doses of Bogudan are contraindicated in pregnancy.
How is Bogudan commonly modified? What is a representative usage?
Modifications depend on the pattern. Add Zirantong for fractures; add Honghua for swelling and pain. Specify Bogudan; do not substitute Jiegumu in equal amounts for setting bones.
How to select and store Bogudan?
Choose regular Chinese medicinal materials with intact whole plants. Discard if moldy, damp, or abnormal in odor. Store in a dry place. Purchase "Bogudan"; do not substitute Jiegumu or Gusuibu in equal amounts for expelling stasis, reducing swelling, and setting bones.

Medical Disclaimer — This article is provided for educational purposes only and describes traditional Chinese medicine concepts. It is not medical advice, and it is not intended to diagnose, treat, cure or prevent any disease. Always consult a qualified practitioner before using any herb, particularly if you are pregnant, nursing, taking medication or managing a diagnosed condition.

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Bo Gu Dan (Common Gendarussa Herb): Dispels wind-damp, invigorates blood, and relieves pain