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Recommended by holistic veterinarians, Jing Tang Long Dan Xie Gan is a Traditional Chinese Veterinary Medicine (TCVM) herbal formula that clears Liver Heat and Damp-Heat in dogs, cats, and horses. Based on the classical Long Dan Xie Gan Tang from Yi Zong Jin Jian (Golden Mirror of the Medical Tradition, written by Wu Qian et al. in 1742), this ten-herb formula combines a potent Liver Fire and Damp-Heat-draining core (Long Dan Cao, Huang Qin, Zhi Zi), Damp-draining and urination-promoting deputies (Ze Xie, Che Qian Zi, Tong Cao), a Liver Qi-soothing herb (Chai Hu), and Blood and Yin-nourishing herbs (Dang Gui, Sheng Di Huang, Gan Cao) to drain excess Liver Fire and Damp-Heat downward through the Bladder while protecting Yin and Blood. Available in concentrated powder (90g), concentrated capsules (0.5g or 0.2g), standard capsules (0.2g), or teapills (200 count). Use with caution in patients with Qi deficiency. May be used for up to 3 months. Dosing varies by species and body weight; your authorizing veterinarian will provide specific guidance.
VETERINARY AUTHORIZATION REQUIRED: Submit Your Authorization Request or Request a TCVM Telemedicine Consultation
What It Supports
- Liver Fire and Damp-Heat drainage: Long Dan Cao powerfully drains Liver and Gallbladder Fire and clears Damp-Heat from the Liver and lower Jiao as the chief herb; Huang Qin clears Heat and dries Dampness in the upper and middle Jiao; Zhi Zi drains Fire downward through the urinary tract; together they form the formula's principal Heat-clearing and Damp-draining core
- Damp drainage and urination promotion: Ze Xie, Che Qian Zi, and Tong Cao promote urination and drain Damp-Heat downward and out through the Bladder, supporting the resolution of Damp-Heat accumulation in the lower Jiao alongside the Heat-clearing core
- Liver Qi soothing: Chai Hu soothes Liver Qi and relieves Qi constraint; guides the formula's action to the Liver and Gallbladder channels and prevents the strong draining herbs from over-suppressing Liver Qi flow
- Blood and Yin nourishment: Dang Gui nourishes and invigorates Blood; Sheng Di Huang clears Heat, cools Blood, and nourishes Yin; together they protect Yin and Blood from the draining action of the potent Heat-clearing and Damp-draining herbs throughout the course of treatment
- Formula harmonization: Gan Cao tonifies Spleen Qi and harmonizes all ten herbs, moderating the strong draining and bitter-cold properties of the chief and deputy herbs to support safe, balanced formula action
TCVM Principles
- Primary action: Clear Liver Heat and clear Damp-Heat
- Classical antecedent: Long Dan Xie Gan Tang from Yi Zong Jin Jian (Golden Mirror of the Medical Tradition), written by Wu Qian et al. in 1742
- Contraindications: None listed
- Warning: Use with caution in patients with Qi deficiency, as the strong draining herbs may further weaken Qi
Available Forms
- 90g Concentrated Powder: Highly concentrated granule format; mix into food for easy daily administration
- 0.5g Concentrated Capsules (100 Count): Standard concentrated capsule format for medium to large dogs; can be given directly or hidden in food or a soft treat
- 0.2g Concentrated Capsules (50 Count): Smaller concentrated capsule option suited for small dogs and cats under 10 lbs; can be given directly or hidden in food or a soft treat
- 0.2g Capsules (100 Count): Standard (non-concentrated) capsule format in a smaller size for flexible dosing; can be given directly or hidden in food or a soft treat
- Teapills (200 Count): Traditional small pill format; can be hidden in food or a soft treat for easy administration
Suggested Use
Concentrated Powder (90g) - Dogs and Cats: 0.1g to 0.25g per 10 to 20 lbs of body weight, twice daily, or as directed by your veterinarian. One small level scoop holds approximately 0.3g of powder.
Concentrated Powder (90g) - Horses: 3g (approximately 2.5 large scoops) twice daily, or as directed by your veterinarian. One large level scoop holds approximately 1.2g of powder.
Concentrated Capsules (0.5g) - Dogs and Cats: One 0.5g capsule per 20 to 40 lbs of body weight, twice daily, or as directed by your veterinarian. For small dogs and cats under 10 lbs, one 0.2g capsule once daily, or as directed by your veterinarian.
Horses: 3g twice daily, or as directed by your veterinarian.
Use for up to 3 months, or as directed by your veterinarian. Your authorizing veterinarian will confirm the appropriate dose and duration for your pet. Use with caution in patients with Qi deficiency.
Ingredients
Active ingredients: Chai Hu (Bupleurum chinense), Bupleurum root; Che Qian Zi (Plantago asiatica), Plantain seed; Dang Gui (Angelica sinensis), Chinese angelica root; Gan Cao (Glycyrrhiza uralensis), Licorice root; Huang Qin (Scutellaria baicalensis), Scutellaria root; Long Dan Cao (Gentiana scabra), Chinese gentian root; Sheng Di Huang (Rehmannia glutinosa), Raw rehmannia root; Tong Cao (Tetrapanax papyrifer), Rice paper pith; Ze Xie (Alisma orientalis), Alisma rhizome; Zhi Zi (Gardenia jasminoides), Gardenia fruit.
Inactive ingredients: Gluten-free maltodextrin (concentrated powder format). Concentrated and standard capsule formats also contain bovine gelatin. Teapill format also contains activated carbon, botanical wax, and talcum.
VETERINARY AUTHORIZATION REQUIRED: Submit Your Authorization Request or Request a TCVM Telemedicine Consultation
Active Ingredient TCVM Actions
Long Dan Xie Gan is a ten-herb formula organized in four functional layers: a potent Liver Fire and Damp-Heat-draining core (Long Dan Cao, Huang Qin, Zhi Zi), Damp-draining and urination-promoting deputies (Ze Xie, Che Qian Zi, Tong Cao), a Liver Qi-soothing herb (Chai Hu), and Blood and Yin-nourishing and harmonizing herbs (Dang Gui, Sheng Di Huang, Gan Cao):
- Long Dan Cao (Gentiana scabra) - Chinese gentian root: The chief herb and formula namesake; powerfully drains Liver and Gallbladder Fire, clears Damp-Heat from the Liver, Gallbladder, and lower Jiao, and is the most bitter-cold and potent Heat-clearing and Damp-draining herb in the formula
- Huang Qin (Scutellaria baicalensis) - Scutellaria root: Clears Heat, dries Dampness, and drains Fire from the upper and middle Jiao; supports Long Dan Cao's Heat-clearing action as the second principal Heat-clearing herb in the draining core
- Zhi Zi (Gardenia jasminoides) - Gardenia fruit: Clears Heat, drains Fire, and promotes urination; guides Heat downward and out through the Bladder and supports the formula's Heat-draining action as the third member of the principal draining core
- Ze Xie (Alisma orientalis) - Alisma rhizome: Drains Dampness, promotes urination, and clears Damp-Heat from the lower Jiao; the principal Damp-draining deputy, guiding Damp-Heat downward and out through the Bladder alongside Zhi Zi
- Che Qian Zi (Plantago asiatica) - Plantain seed: Promotes urination, clears Heat, and drains Damp-Heat from the lower Jiao; supports Ze Xie in draining Dampness downward as the second urination-promoting deputy
- Tong Cao (Tetrapanax papyrifer) - Rice paper pith: Promotes urination and clears Heat; a light, gentle Damp-draining herb that supports the formula's urination-promoting action through the Bladder and lower Jiao as the third Damp-draining deputy
- Chai Hu (Bupleurum chinense) - Bupleurum root: Soothes Liver Qi and relieves stagnation; guides the formula's action to the Liver and Gallbladder channels and prevents the strong bitter-cold draining herbs from over-suppressing Liver Qi flow throughout treatment
- Dang Gui (Angelica sinensis) - Chinese angelica root: Nourishes and invigorates Blood; protects Blood from the drying and draining action of the potent Heat-clearing herbs and supports Liver Blood nourishment alongside Sheng Di Huang
- Sheng Di Huang (Rehmannia glutinosa) - Raw rehmannia root: Clears Heat, cools Blood, and nourishes Yin; the principal Yin-nourishing herb in the formula, protecting Yin and Blood from depletion caused by the strong draining and bitter-cold action of the chief and deputy herbs
- Gan Cao (Glycyrrhiza uralensis) - Licorice root: Tonifies Spleen Qi and harmonizes all ten herbs; moderates the bitter-cold and strongly draining properties of Long Dan Cao, Huang Qin, and Zhi Zi to ensure safe and balanced formula action throughout the course of treatment
Potential Drug Interactions
Long Dan Xie Gan contains potent Heat-clearing and Damp-draining herbs, including Long Dan Cao (Chinese gentian root), Huang Qin (scutellaria root), and Zhi Zi (gardenia fruit), alongside urination-promoting herbs including Ze Xie (alisma rhizome), Che Qian Zi (plantain seed), and Tong Cao (rice paper pith), which may affect hepatic drug metabolism, renal function, and fluid balance. This is a strong draining formula; use with caution in patients with Qi deficiency, as the bitter-cold and draining herbs may further weaken Qi. Pets on prescription medications should use this formula under veterinary supervision, as herb-drug interaction research in dogs, cats, and horses remains limited.
Medication categories warranting extra caution include diuretic medications, hepatic medications, anticoagulant or antiplatelet medications, and pets managing multiple concurrent prescriptions. Your veterinarian can determine appropriateness based on your pet's condition, current medications, and laboratory results.
VETERINARY AUTHORIZATION REQUIRED: Submit Your Authorization Request or Request a TCVM Telemedicine Consultation
Frequently Asked Questions
What conditions is Long Dan Xie Gan used for in TCVM?
Long Dan Xie Gan is indicated in TCVM for excess Liver Fire or Damp-Heat accumulation in the Liver, Gallbladder, and lower Jiao. Holistic veterinarians commonly recommend it for dogs, cats, and horses showing signs of Liver Heat or Damp-Heat patterns, including eye and ear inflammation, skin conditions, or lower Jiao Damp-Heat accumulation, particularly when accompanied by a red tongue with a yellow, greasy coat and a wiry, rapid pulse. Use with caution in patients with Qi deficiency. Your authorizing veterinarian will confirm the appropriate TCVM pattern diagnosis before recommending this formula.
How is Long Dan Xie Gan administered, and what are the dosing guidelines?
Dosing varies by species and body weight; your authorizing veterinarian will provide specific guidance. For the 90g concentrated powder, the dose for dogs and cats is 0.1g to 0.25g per 10 to 20 lbs of body weight twice daily, or as directed by your veterinarian; the small scoop holds approximately 0.3g. For horses, the standard dose is 3g (approximately 2.5 large scoops) twice daily, or as directed by your veterinarian; the large scoop holds approximately 1.2g. For 0.5g concentrated capsules, the guideline is one capsule per 20 to 40 lbs of body weight twice daily, or as directed by your veterinarian; for small dogs and cats under 10 lbs, one 0.2g capsule once daily, or as directed by your veterinarian. Mix concentrated powder directly into wet or dry food at each meal. Capsules and teapills can be given directly or hidden in food or a soft treat.
How long can Long Dan Xie Gan be used, and when should it be discontinued?
This formula is recommended for use for up to 3 months, or as directed by your veterinarian. As a strong draining formula, Long Dan Xie Gan is typically used for shorter courses to address acute or active Liver Heat and Damp-Heat patterns rather than long-term maintenance. Use with caution in patients with Qi deficiency, as extended use of the potent bitter-cold draining herbs may further weaken Qi. Regular follow-up with your holistic veterinarian is recommended to monitor progress, reassess the TCVM pattern, and adjust dosing or transition to a maintenance formula as needed.
Can Long Dan Xie Gan be combined with other TCVM formulas or conventional medications?
Long Dan Xie Gan is sometimes used alongside other TCVM formulas as part of a comprehensive Liver Heat or Damp-Heat support protocol, but your authorizing veterinarian should always guide combination use. Use with caution in patients with Qi deficiency. If your pet is on prescription medications, particularly diuretics or hepatic medications, your veterinarian will evaluate whether Long Dan Xie Gan is appropriate given your pet's full health picture and current treatment plan.
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