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Recommended by holistic veterinarians, Jing Tang Concentrated Fan Xie Ye is a Traditional Chinese Veterinary Medicine (TCVM) single-herb formula that purges the Large Intestine and resolves food stasis to address patterns of Large Intestine accumulation, constipation, and food stagnation in horses and cats. Fan Xie Ye (Cassia angustifolia), commonly known as senna leaf, is a bitter, cold, purgative herb with a specific affinity for the Large Intestine channel, where it clears Heat accumulation, purges bowel stagnation, and resolves food stasis through its strong descending and purgative action. Available as concentrated 0.2g capsules (50 count). No contraindications and no warnings are listed for this formula. May be used as needed for up to 12 months, or as directed by your veterinarian. 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
Active ingredients: Fan Xie Ye (Cassia angustifolia), Senna leaf.
Inactive ingredients: Bovine gelatin.
VETERINARY AUTHORIZATION REQUIRED: Submit Your Authorization Request or Request a TCVM Telemedicine Consultation
Fan Xie Ye is a single-herb formula built on the purgative and Large Intestine-purging action of senna leaf:
Fan Xie Ye contains Fan Xie Ye (senna leaf, Cassia angustifolia), a purgative herb with anthraquinone glycoside constituents. Senna may affect the absorption and bioavailability of orally administered medications by accelerating gastrointestinal transit time; it may interact with cardiac glycosides, diuretics, and medications that affect electrolyte balance, particularly potassium levels, when used at higher doses or for extended periods. No contraindications and no warnings are listed for this formula. Animals on prescription medications should use this formula under veterinary supervision, as herb-drug interaction research in horses and cats remains limited.
Medication categories warranting extra caution include cardiac glycosides, diuretics, and electrolyte-affecting medications. May be used as needed for up to 12 months, or as directed by your veterinarian. Your veterinarian can determine appropriateness based on your animal's condition, current medications, and laboratory results.
VETERINARY AUTHORIZATION REQUIRED: Submit Your Authorization Request or Request a TCVM Telemedicine Consultation
Fan Xie Ye is indicated for horses and cats with TCVM patterns of Large Intestine accumulation, constipation, and food stasis, where Heat accumulation or impaired Large Intestine descending function has caused bowel stagnation and food stasis. Holistic veterinarians frequently prescribe it as a focused TCVM purgative support herb for Large Intestine Heat accumulation and food stasis patterns. No contraindications and no warnings are listed for this formula. Your authorizing veterinarian will confirm the appropriate TCVM pattern diagnosis before recommending Fan Xie Ye.
Dosing varies by species and body weight; your authorizing veterinarian will provide specific guidance. For horses and cats using the 0.2g concentrated capsules, your authorizing veterinarian will determine the appropriate number of capsules per dose based on your animal's body weight, condition, and the severity of the Large Intestine stasis pattern, or as directed by your veterinarian. May be used as needed for up to 12 months, or as directed by your veterinarian.
Fan Xie Ye (senna leaf) contains anthraquinone glycosides known as sennosides, which are the primary active constituents responsible for its purgative action. Sennosides are converted by intestinal bacteria to their active form (rheinanthrone), which stimulates Large Intestine peristalsis by acting on the enteric nerve plexus and increasing fluid secretion into the bowel lumen. This mechanism supports the classical TCVM description of Fan Xie Ye's action as purging the Large Intestine and driving accumulation downward, providing a well-documented pharmacological basis for its use in TCVM protocols for Large Intestine stasis and food accumulation patterns in horses and cats.
Fan Xie Ye is a single-herb formula with a narrow, targeted purgative action focused specifically on Large Intestine Heat accumulation and food stasis patterns. This distinguishes it from multi-herb TCVM purgative formulas such as Da Cheng Qi Tang or Xiao Cheng Qi Tang, which combine purgative herbs with Qi-moving and harmonizing herbs to address more complex patterns of Large Intestine heat accumulation with concurrent Qi stagnation or fluid deficiency. Fan Xie Ye's single-herb format makes it appropriate for straightforward Large Intestine stasis and food accumulation patterns where a focused, clean purgative action is the primary therapeutic goal, without the additional formula complexity needed for multi-pattern presentations. Your authorizing veterinarian will determine whether Fan Xie Ye alone or a more complex purgative formula is appropriate for your animal's specific Large Intestine pattern.
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