Zhi Sou San - 止嗽散 - Platycodon & Schizonepeta Formula (Capsules)

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What is Zhi Sou San?

Zhi Sou San, also known as Platycodon & Schizonepeta Formula, is a traditional Chinese herbal formula known for its potential supportive benefits in those suffering cough with phlegm.

Dating back to the Ming Dynasty (1368-1644), Zhi Sou San first appeared in the classic Chinese medical text, Wan Bing Hui Chun (Restoring Health from Tens of Thousands of Diseases).

What are the benefits of Zhi Sou San?

In TCM, Zhi Sou San is used for coughs related to external wind invasion. This often presents as a common cold that lingers with slight coughing and a sore throat. Additionally, the formula may improve sleep patterns disrupted by chronic coughs. 

TCM practitioners often prescribe Zhi Sou San for symptoms that include itchy throat, coughing, chills, fever, and aversion to wind, with a floating pulse.

What is the dosage and method for taking Zhi Sou San?

The generally recommended dosage of Zhi Sou San in capsule form is four capsules, two to three times daily; or as loose granules, 4.5 g mixed with hot water, 2-3 times per day. However, always follow your healthcare provider's instructions, as the dosage can vary based on your condition and response to treatment.

Please see What's the Recommended Dosage for Granule Herbs? for more information.

When can I expect to see results?

Zhi Sou San typically starts to take effect within days. However, like all treatments, its efficacy can vary from person to person.

Does Zhi Sou San have any side effects?

While Zhi Sou San is generally considered safe for most people, it can cause side effects in some individuals. Women who are pregnant, nursing, or postpartum as well as people with liver disease, should avoid or use Zhi Sou San with caution.

As with any Chinese herb, we recommend consulting with a qualified practitioner of traditional Chinese medicine (TCM) about Zhi Sou San before any course of treatment is started. 

Where to buy Zhi Sou San

For practitioners, Treasure of the East offers full-spectrum Zhi Sou San Capsules (100 caps./bottle) and 100g Granules.

If you’re a consumer looking to purchase Zhi Sou San, look for suppliers who provide clear information about the product's origin, purity, and testing procedures to ensure you're getting a high-quality product. Please read Where to Buy Chinese Herbs Safely for more tips on how to source herbs safely.

Zhi Sou San from Treasure of the East is:
✔️ ISO Lab Tested & GMP Certified
✔️ Bio-Authentic with Full Traceability
✔️ Sustainably Sourced from Dao Di Farms

Item Number: Z050-c
Chinese Name: 止嗽散, Zhi Sou San
English Name: Stop Coughing Formula, Platycodon & Schizonepeta Formula
Functions: Diffuses and benefits the lung Qi, disperses Wind and relieves cough, transforms phlegm, releases the exterior, ventilates the lungs.
TCM Pattern: Wind pathogens attacking the lung, cough as a sequelae to external Wind-cold with phlegm
Potency: Concentrated 5:1; Full-spectrum, water-based herbal extract.
Available in: Capsules (100 caps./bottle) and 100g Granules.


Jie Geng Platycodon Root
Jing Jie Schizonepeta Herb
Zi Wan (Mi Zhi) Aster Root (Processed)
Bai Bu (Mi Zhi) Stemona (Processed)
Bai Qian Willowleaf Swallowwort Rhizome
Gan Cao (Mi) Licorice Root (Processed)
Chen Pi Tangerine Peel

Treasure of the East’s herbal extracts are full-spectrum, water-based extracts produced by Tianjiang Pharmaceutical. Unlike standardized extracts, which contain a concentrated quantity of a single marker chemical, full-spectrum herbal extracts contain all the active chemical constituents of whole herbs in concentrated form.  Treasure of the East herbs are full-spectrum and extracted using only purified water (more information).

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