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Herbsmith Rx Yin Qiao San is a classical Chinese herbal formula recommended by holistic veterinarians to support immune defense and respiratory health in dogs, cats, and horses. Based on the traditional formula Yin Qiao San (also known as Honeysuckle and Forsythia Powder), it disperses wind-heat, clears heat, and relieves toxicity. It is well suited for pets presenting with early-stage wind-heat invasion signs such as fever, mild aversion to cold, sore or inflamed throat, nasal discharge, cough, or restlessness with heat. 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.
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For Dogs (Canine Blend Powder):
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.
Active Ingredients: Jin Yin Hua (Flos Lonicerae Japonicae), Lian Qiao (Fructus Forsythiae Suspensae), Bo He (Herba Menthae Haplocalycis), Jie Geng (Radix Platycodi Grandiflori), Lu Gen (Rhizoma Phragmitis Communis), Niu Bang Zi (Fructus Arctii Lappae), Dan Dou Chi (Semen Sojae Praeparata), Gan Cao (Radix Glycyrrhizae Uralensis), Dan Zhu Ye (Herba Lophatheri Gracilis), Jing Jie (Herba seu Flos Schizonepetae Tenuifoliae)
Inactive Ingredient: Flaxseed
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Yin Qiao San is a ten-herb formula structured to vent the exterior, clear heat, and relieve toxicity from the upper burner, with each herb contributing a targeted action to address wind-heat invasion at the wei qi level:
Yin Qiao San is a heat-clearing and exterior-releasing formula containing herbs such as Jin Yin Hua, Lian Qiao, and Gan Cao with immune-modulating and anti-inflammatory properties. Pets currently on prescription medications should use this formula under veterinary supervision, as research on herb-drug interactions in dogs and cats remains limited.
Medication categories warranting extra caution include immunosuppressive drugs, corticosteroids, antibiotic therapies for concurrent infections, and pets managing multiple concurrent prescriptions. Your authorizing veterinarian can determine appropriateness based on your pet's condition, current medications, and laboratory results.
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In Traditional Chinese Veterinary Medicine, Yin Qiao San is indicated for early-stage wind-heat invasion patterns presenting as fever, mild aversion to cold, sore or inflamed throat, nasal discharge, cough, thirst, and restlessness with heat. It is most effective when used at the onset of illness before the pathogen has penetrated deeper into the body, and is appropriate for seasonal respiratory illness, early-stage infections, and recurrent wind-heat patterns in dogs, cats, and horses.
Mix the powder directly into food or grain at the dose recommended for your pet's species and body weight. Both 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. Your authorizing veterinarian will confirm the appropriate dose and schedule for your individual pet.
As an exterior-releasing formula designed for early-stage wind-heat invasion, Yin Qiao San is intended to act relatively quickly when used at the onset of illness. Many pets show improvement in fever, nasal discharge, and throat inflammation within a few days of consistent use. If signs persist or worsen, or if the pathogen has progressed deeper into the body, your veterinarian may recommend a different formula or additional support appropriate to the current pattern.
Combination with complementary TCVM formulas is common in holistic veterinary practice and should be guided by your authorizing veterinarian based on your pet's full pattern diagnosis. If your pet is on conventional medications, particularly immunosuppressive drugs or corticosteroids, veterinary oversight is especially important to ensure the treatment plan fits your pet's overall health status and that the formula's exterior-releasing action is not contraindicated.
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