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Herbsmith Rx Si Shen San for Cats, Dogs and Horses

$70.00

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Herbsmith Rx Si Shen San for Cats, Dogs and Horses rx lineup

Herbsmith Rx Si Shen San for Cats, Dogs and Horses

Veterinary Authorization Required for TCVM Herbal Formulas - TCVM Pet Supply

Herbsmith Rx Si Shen San is a classical Chinese herbal formula recommended by holistic veterinarians to warm and tonify the spleen and kidney, bind the intestines, and address chronic loose stool in dogs, cats, and horses. Comparable to Four Miracle Powder and Four Immortals, it warms and tonifies the spleen and kidney, binds up the intestines, and stops diarrhea. Well suited for pets and horses presenting with spleen and kidney yang deficiency patterns characterized by chronic or recurring loose stool, unformed stool, or early morning diarrhea arising from insufficient kidney yang failing to warm and steam the spleen, and a cold and deficient spleen failing to transform and transport fluids and food, with signs such as chronic loose stool that worsens with cold or in the early morning, undigested food in the stool, fatigue, cold sensitivity, pale tongue, and general signs of yang deficiency in the lower and middle burners. Available as a concentrated powder mixed into food; cats and dogs use the Canine Blend, while horses use the Equine/Horse Blend. Dosing varies by species and body weight, and your authorizing veterinarian will provide specific guidance.

Veterinary Authorization Required - Click Here to Submit Your Authorization Request

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What It Supports

  • Kidney yang warming and spleen tonification: Warms the kidney yang and tonifies the spleen using Bu Gu Zhi as the principal herb, restoring the kidney yang needed to warm the spleen and power the spleen's transformation and transportation functions, addressing the root cause of the spleen-kidney yang deficiency pattern that produces chronic loose stool and digestive weakness in dogs, cats, and horses.
  • Intestinal binding and diarrhea resolution: Binds up the intestines and stops diarrhea using the astringent and consolidating actions of Rou Dou Kou and Wu Wei Zi alongside the warming and dispersing action of Wu Zhu Yu, addressing both the cold and deficiency that allow the intestines to fail to consolidate and the resulting chronic loose stool, unformed stool, or early morning diarrhea.
  • Early morning diarrhea support: Addresses the classic pattern of cock-crow diarrhea or fifth watch diarrhea, the early morning loose stool that occurs when kidney yang is at its lowest ebb in the early morning hours and is too deficient to warm the spleen and consolidate the intestines, a pattern particularly common in aging dogs, cats, and horses with chronic digestive irregularity.
  • Cold and deficiency digestive pattern support: Supports the overall cold and deficiency digestive pattern by warming the middle and lower burners, dispersing cold from the intestines, and consolidating the intestines' holding function, addressing the chronic digestive weakness, undigested food in the stool, and cold-sensitive loose stool that arise when yang deficiency in the spleen and kidney fails to warm and govern the digestive and intestinal functions.

TCVM Principles

  • Primary action: Warms the kidney yang and tonifies the spleen using Bu Gu Zhi as the principal herb, directly addressing the kidney yang deficiency root that fails to warm and steam the spleen, restoring the yang warmth needed to power the spleen's transformation and transportation of food and fluids and the intestines' consolidating and holding function.
  • Secondary action: Warms the middle burner and disperses cold with Wu Zhu Yu; warms the spleen and stomach, astrings the intestines, and stops diarrhea with Rou Dou Kou; and astrings the lungs and intestines, consolidates the essence, and generates fluids with Wu Wei Zi, completing the formula's approach to warming the spleen and kidney from the root while simultaneously binding the intestines and stopping the diarrhea at the manifestation level.

Available Forms

  • Powder - Canine Blend (for dogs and cats): Available in 75 g, 150 g, 500 g, 900 g, and 1200 g sizes; mix into food at the recommended dose for your pet's weight. Cats and dogs both use this blend.
  • Powder - Equine/Horse Blend (for horses only): Available in 150 g, 500 g, 900 g, and 1200 g sizes; mix into grain at the recommended dose for your horse.

Suggested Use

For Dogs (Canine Blend Powder):

  • Under 30 lbs: ½ tsp twice daily, or as prescribed
  • 30-80 lbs: 1 tsp twice daily, or as prescribed
  • 80-120 lbs: 1½ tsp twice daily, or as prescribed
  • Over 120 lbs: 2 tsp twice daily, or as prescribed

For Cats (Canine Blend Powder): ¼ tsp twice daily, or as prescribed

For Horses (Equine/Horse Blend, 1,000 lb horse): Two tablespoons twice daily for 20 days, then two tablespoons once daily in grain. If the horse initially refuses, start with a small amount mixed into grain and gradually increase until the horse is accustomed to the taste. Most horses will readily accept the herbs in their grain.

Ingredients

Active Ingredients: Bu Gu Zhi (Fructus Psoraleae Corylifoliae), Wu Zhu Yu (Fructus Evodiae Rutaecarpae), Rou Dou Kou (Semen Myristicae Fragrantis), Wu Wei Zi (Fructus Schisandrae Chinensis)

Inactive Ingredient: Flaxseed

Veterinary Authorization Required - Click Here to Submit Your Authorization Request

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Active Ingredient TCVM Actions

Si Shen San is a four-herb formula that addresses spleen and kidney yang deficiency with intestinal cold and deficiency through a tightly focused combination of a principal kidney yang and spleen warmer, a middle burner cold disperser, an intestinal astringent and spleen warmer, and a consolidating and astringent essence preserver:

  • Bu Gu Zhi (Fructus Psoraleae Corylifoliae) - Psoralea Fruit / Scurfy Pea Fruit: Principal herb; warms and tonifies the kidney yang, tonifies the spleen, and stops diarrhea; the primary kidney yang warming herb of the formula, directly addressing the kidney yang deficiency root that fails to warm and steam the spleen, restoring the yang fire at the gate of vitality that is needed to power the spleen's transformation and transportation functions and the intestines' consolidating function, and specifically addressing the early morning diarrhea pattern that arises when kidney yang is too deficient to warm the spleen and consolidate the intestines in the early morning hours.
  • Wu Zhu Yu (Fructus Evodiae Rutaecarpae) - Evodia Fruit: Warms the middle burner, disperses cold, relieves stagnation, and stops diarrhea; warms the spleen and stomach, disperses the cold from the middle and lower burners that contributes to the intestinal cold pattern, and relieves the cold-driven abdominal stiffness and digestive stagnation that accompany the spleen-kidney yang deficiency diarrhea pattern, working alongside Bu Gu Zhi to address both the kidney yang root and the middle burner cold manifestation simultaneously. Requires monitoring in pets on medications metabolized by specific hepatic pathways due to its potent warming action.
  • Rou Dou Kou (Semen Myristicae Fragrantis) - Nutmeg Seed: Warms the middle burner, astrings the intestines, and stops diarrhea; the principal intestinal astringent of the formula, binding the intestines and stopping the diarrhea at the manifestation level while also warming the spleen and stomach to address the cold and deficiency in the middle burner that contributes to the loose stool pattern, providing the direct intestinal consolidating action that complements the yang-warming and cold-dispersing actions of Bu Gu Zhi and Wu Zhu Yu. Use under veterinary supervision in pets where nutmeg sensitivity is a concern.
  • Wu Wei Zi (Fructus Schisandrae Chinensis) - Schisandra Berry / Five Flavor Berry: Astrings the lungs and intestines, consolidates the essence, generates fluids, and calms the spirit; provides broad astringent and consolidating action throughout the formula, binding the intestines from the lung-large intestine axis, consolidating the essence and fluids that chronic diarrhea has depleted, and preventing the warming and dispersing herbs Wu Zhu Yu and Bu Gu Zhi from over-dispersing the qi and fluids, ensuring the formula's warming action is balanced by sufficient consolidation and preservation of what has been warmed and restored.

Potential Drug Interactions

Si Shen San contains strongly warming herbs including Bu Gu Zhi, Wu Zhu Yu, and Rou Dou Kou, which have significant effects on digestive motility, intestinal function, and potentially hepatic enzyme pathways. Pets currently on antidiarrheal medications, motility-modifying drugs, immunosuppressive medications, or hepatically metabolized pharmaceuticals should use this formula under veterinary supervision, as the warming and astringent herbs may have additive or counteracting effects with pharmaceutical antidiarrheal agents, and herb-drug interaction research in dogs, cats, and horses remains limited.

Medication categories warranting extra caution include antidiarrheal or antispasmodic medications, motility-modifying drugs, immunosuppressive medications, hepatically metabolized pharmaceuticals, and any medications where changes in intestinal motility or absorption could affect therapeutic monitoring. Your authorizing veterinarian can determine appropriateness based on your animal's condition, current medications, and laboratory results.

Veterinary Authorization Required - Click Here to Submit Your Authorization Request

Request a TCVM Telemedicine Consultation

Frequently Asked Questions

What conditions is Si Shen San used for in TCVM?

In Traditional Chinese Veterinary Medicine, Si Shen San is indicated for spleen and kidney yang deficiency with intestinal cold and deficiency, presenting as chronic or recurring loose stool, unformed stool, early morning diarrhea, undigested food in the stool, cold sensitivity, fatigue, and general signs of yang deficiency in the lower and middle burners. Comparable to Four Miracle Powder and Four Immortals, it is one of the primary TCVM formulas for the pattern of chronic loose stool driven by kidney yang deficiency failing to warm the spleen, and is particularly well suited for the early morning diarrhea pattern where the stool is most loose in the early morning hours when kidney yang is at its lowest.

How is Si Shen San administered to dogs, cats, and horses?

Mix the powder directly into food or grain at the dose recommended for your animal's species and body weight. Dogs and cats use the Canine Blend; horses use the Equine/Horse Blend. Dogs and cats receive the formula twice daily; horses receive two tablespoons twice daily for the first 20 days, then once daily for maintenance. If the horse initially refuses, start with a small amount mixed into grain and gradually increase until the horse is accustomed to the taste. Most horses will readily accept the herbs in their grain. Your authorizing veterinarian will confirm the appropriate dose and schedule for your individual animal.

How long does it take to see results with Si Shen San?

Many pets show improvement in stool consistency and frequency within 2 to 4 weeks of consistent use as the spleen and kidney yang are warmed and the intestines' consolidating function is restored. Because the underlying spleen and kidney yang deficiency pattern is a chronic deficiency condition, a longer course of treatment of 8 to 12 weeks or more is typically needed to adequately warm the yang and maintain the improvement in digestive and intestinal function. Your veterinarian may recommend periodic reassessment to evaluate the pattern's response and adjust the treatment plan as the spleen and kidney yang are gradually restored.

How does Si Shen San differ from other digestive support formulas in TCVM?

Si Shen San is specifically indicated for the cold and yang deficiency pattern of chronic loose stool and diarrhea, where the stool is unformed or watery, worsens with cold, and is most pronounced in the early morning hours. It is not appropriate for diarrhea arising from damp-heat, food stagnation, liver overacting on the spleen, or acute infectious patterns, where warming and astringent herbs would be contraindicated or ineffective. Your authorizing veterinarian will determine which digestive support formula best matches your animal's full TCVM pattern diagnosis based on the character, timing, and accompanying signs of the loose stool presentation.

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