Huang Qin Hua Shi Tang

Scutellaria and Talcum Decoction · 黄芩滑石汤

A classical formula from the Warm Disease school designed to clear Heat and resolve Dampness from the Middle Jiao. It is used for conditions where both internal and external Dampness combine with Heat, causing recurring low-grade fevers, body aches, a slippery tongue coating, and digestive sluggishness. The formula works by cooling the Heat component while simultaneously draining the Dampness through urination.

Origin Wen Bing Tiao Bian (温病条辨), Volume 2, Middle Burner chapter (中焦篇), by Wu Jutong (吴鞠通) — Qīng dynasty, 1798 CE
Composition 7 herbs
Huang Qin
King
Huang Qin
Hua Shi
King
Hua Shi
Zhu Ling
Deputy
Zhu Ling
Fu Ling Pi
Deputy
Fu Ling Pi
Da Fu Pi
Assistant
Da Fu Pi
Bai Dou Kou
Assistant
Bai Dou Kou
Tong Cao
Envoy
Tong Cao
Explore composition

Educational content Consult qualified TCM practitioners for diagnosis and treatment

Patterns Addressed

In TCM, symptoms don't appear randomly — they cluster into recognizable patterns of disharmony that reveal what's out of balance in the body. Huang Qin Hua Shi Tang is designed to correct these specific patterns.

Why Huang Qin Hua Shi Tang addresses this pattern

This is the primary pattern this formula addresses. When Damp-Heat accumulates in the Middle Jiao, the Spleen and Stomach lose their ability to transform and transport fluids, and the entangled Dampness and Heat create a self-perpetuating cycle. Huang Qin directly clears the Heat component while the draining herbs (Hua Shi, Zhu Ling, Fu Ling Pi, Tong Cao) resolve the Dampness through urination. Bai Dou Kou and Da Fu Pi restore Qi movement in the Middle Jiao so the Spleen can resume normal function. The formula's balanced approach of clearing Heat and draining Dampness simultaneously is essential because these two pathogens protect each other when intertwined.

A practitioner would look for one or more of these signs

Recurring Fever

Fever that breaks with sweating then returns

Body Aches

Generalized body heaviness and pain from Dampness obstructing channels

Poor Appetite

Inability to digest food, feeling of fullness

Excessive Thirst

Little or no thirst despite the presence of Heat

Yellow Tongue Coating

Pale yellow, slippery tongue coating

Commonly Prescribed For

These conditions can arise from the patterns above. A practitioner would consider Huang Qin Hua Shi Tang when these conditions are specifically caused by those patterns — not for all cases of these conditions.

Arises from: Damp-Heat in the Middle Jiao

TCM Interpretation

In TCM, acute gastroenteritis during the humid summer months is frequently understood as an invasion of external Damp-Heat that lodges in the Spleen and Stomach. The Spleen, which is inherently vulnerable to Dampness, becomes overwhelmed and can no longer transform food and fluids. The resulting stagnation generates further Heat internally, creating a vicious cycle. This manifests as nausea, bloating, loose stools, low-grade fever, and a heavy, sluggish feeling throughout the body. The tongue coating is typically yellow and greasy, reflecting the combined Dampness and Heat.

Why Huang Qin Hua Shi Tang Helps

Huang Qin Hua Shi Tang addresses the core Damp-Heat tangle that drives acute gastroenteritis. Huang Qin clears Heat from the digestive system, while Hua Shi, Zhu Ling, Fu Ling Pi, and Tong Cao drain the Dampness downward through increased urination, relieving the burden on the digestive tract. Bai Dou Kou's aromatic properties help restore the Spleen's movement, reducing nausea and bloating. Da Fu Pi further assists by moving stagnant Qi in the abdomen. By resolving both the Heat and Dampness simultaneously, the formula allows the digestive system to recover its normal function.

Also commonly used for

Chronic Gastritis

With Damp-Heat in the Spleen and Stomach

Typhoid Fever

Enteric fevers with Damp-Heat in the Middle Jiao

Infectious Hepatitis

Early-stage jaundice with Damp-Heat

Pyelonephritis

With Damp-Heat pattern

What This Formula Does

Every TCM formula has a specific set of actions — here's what Huang Qin Hua Shi Tang does in the body, explained in both everyday and TCM terms

Therapeutic focus

In practical terms, Huang Qin Hua Shi Tang is primarily used to support these areas of health:

TCM Actions

In TCM terminology, these are the specific therapeutic actions that Huang Qin Hua Shi Tang performs to restore balance in the body:

How It Addresses the Root Cause

TCM doesn't just suppress symptoms — it aims to resolve the underlying imbalance. Here's how Huang Qin Hua Shi Tang works at the root level.

This formula addresses a condition where Dampness and Heat have become intertwined in the Middle Jiao (the digestive center of the body), creating a stubborn pathological state that is difficult to resolve by treating either factor alone.

The disease arises from two sources converging: internally, the Spleen and Stomach have become sluggish and can no longer properly transform the fluids from food and drink, allowing internal Dampness to accumulate. Externally, seasonal Damp-Heat (common in late summer) invades the body. When these two sources of Dampness combine and Heat develops within them, they form a sticky, entangled pathogen that clings to the Middle Jiao. This is why sweating brings temporary relief from fever but the fever always returns: the sweat can vent some superficial Heat, but the underlying Damp-Heat mass remains undissolved. The tongue shows a pale yellow, slippery coating, a hallmark of Dampness steaming with mild Heat. The patient is not very thirsty or not thirsty at all because the Dampness obscures the Heat's drying effect. Body aches come from Dampness obstructing the channels, not from an exterior Wind-Cold invasion. As Wu Jutong warned, mistaking this for Cold-Damage and using sweating or purging methods will make the condition dramatically worse.

Formula Properties

Every formula has an inherent temperature, taste, and affinity for specific organs — these properties determine how it interacts with the body

Overall Temperature

Cool

Taste Profile

Predominantly bitter and bland — bitter to clear Heat, bland to drain Dampness through the urine, with a mild pungent note from Bai Kou Ren to move Qi and transform turbidity.

Target Organs

Channels Entered

Spleen Stomach Bladder San Jiao Lung

Ingredients

7 herbs

The herbs that make up Huang Qin Hua Shi Tang, organized by their role in the prescription

King — Main ingredient driving the formula
Deputy — Assists and enhances the King
Assistant — Supports or moderates other herbs
Envoy — Directs the formula to its target
Kings — Main ingredient driving the formula
Huang Qin

Huang Qin

Baical skullcap root

Dosage 9g
Temperature Cold
Taste Bitter (苦 kǔ)
Organ Affinity Lungs, Gallbladder, Spleen, Large Intestine, Small Intestine, Heart, Stomach

Role in Huang Qin Hua Shi Tang

Clears Damp-Heat, particularly from the Middle Jiao. As the primary herb, it directly targets the Heat component that has become entangled with Dampness, using its bitter-cold nature to drain Heat downward.
Hua Shi

Hua Shi

Talc

Dosage 9g
Temperature Cold
Taste Sweet (甘 gān), Bland (淡 dàn)
Organ Affinity Stomach, Urinary Bladder

Role in Huang Qin Hua Shi Tang

Clears Heat and promotes urination, providing a downward drainage route for Damp-Heat through the Bladder. Its bland, slippery nature gives Dampness a pathway out of the body without damaging Yin.
Deputies — Assists and enhances the King
Zhu Ling

Zhu Ling

Polyporus mushroom

Dosage 9g
Temperature Neutral
Taste Sweet (甘 gān), Bland (淡 dàn)
Organ Affinity Kidneys, Urinary Bladder

Role in Huang Qin Hua Shi Tang

Promotes urination and drains Dampness. Works alongside Hua Shi and Fu Ling Pi to strengthen the formula's ability to resolve Dampness through the urinary pathway.
Fu Ling Pi

Fu Ling Pi

Poria peel

Dosage 9g
Temperature Neutral
Taste Sweet (甘 gān), Bland (淡 dàn)
Organ Affinity Lungs, Spleen, Kidneys

Role in Huang Qin Hua Shi Tang

Promotes urination and leaches out Dampness. Fu Ling Pi (the skin of Poria) is specifically chosen over the whole Fu Ling because the skin has a stronger action of draining fluid from the surface and skin level, appropriate for body heaviness and aches.
Assistants — Supports or moderates other herbs
Da Fu Pi

Da Fu Pi

Areca peel

Dosage 6g
Temperature Slightly Warm
Taste Acrid / Pungent (辛 xīn)
Organ Affinity Spleen, Stomach, Large Intestine, Small Intestine

Role in Huang Qin Hua Shi Tang

Moves Qi and resolves Dampness in the Middle Jiao. By promoting the downward flow of Qi in the digestive tract, it helps the Spleen and Stomach resume their transport function, and prevents stagnation of fluids.
Bai Dou Kou

Bai Dou Kou

White Cardamom

Dosage 3g
Temperature Warm
Taste Acrid / Pungent (辛 xīn), Aromatic (芳香 fāng xiāng)
Organ Affinity Lungs, Spleen, Stomach
Preparation Added in the last 5 minutes of cooking (后下)

Role in Huang Qin Hua Shi Tang

Aromatically transforms Dampness and moves Qi in the Middle Jiao. Its warm, aromatic nature counterbalances the cold properties of Huang Qin and Hua Shi, preventing the bitter-cold herbs from further obstructing the Spleen's transport function.
Envoy — Directs the formula to its target
Tong Cao

Tong Cao

Rice paper pith

Dosage 3g
Temperature Slightly Cool
Taste Sweet (甘 gān), Bland (淡 dàn)
Organ Affinity Lungs, Stomach

Role in Huang Qin Hua Shi Tang

Gently promotes urination and clears Heat through the water passages. Its bland, light nature helps guide the actions of the other herbs downward and outward through the urinary tract.

Why This Combination Works

How the herbs in Huang Qin Hua Shi Tang complement each other

Overall strategy

Since Dampness and Heat are mutually entangled in the Middle Jiao, the formula must simultaneously clear Heat and drain Dampness. Clearing Heat alone leaves the Dampness unresolved, while draining Dampness alone causes the Heat to flare. The strategy combines bitter-cold herbs to clear Heat with bland, percolating herbs to drain Dampness downward through urination, plus aromatic herbs to restore Qi movement in the Middle Jiao so the Spleen can resume its fluid-transforming function.

King herbs

Huang Qin and Hua Shi together form the core pair. Huang Qin is bitter and cold, clearing Damp-Heat particularly from the Middle Jiao and Gallbladder level. Hua Shi is bland, sweet, and cold, opening the water passages so Dampness can drain downward through urination. Together they attack both sides of the Damp-Heat pathogen: Huang Qin targets the Heat while Hua Shi provides an exit route for the Dampness.

Deputy herbs

Zhu Ling and Fu Ling Pi reinforce the Dampness-draining strategy. Both are bland and promote urination, strengthening Hua Shi's action of giving Dampness a downward exit. Fu Ling Pi is specifically chosen for its ability to address fluid stagnation at the surface level, which relates to the body aches and heaviness in this presentation.

Assistant herbs

Bai Dou Kou (White Cardamom) is a restraining assistant: its warm, aromatic nature prevents the cold herbs from damaging the already-struggling Spleen Qi. It also aromatically transforms Dampness in the Middle Jiao. Da Fu Pi (Areca Peel) is a reinforcing assistant that moves Qi and relieves distension, helping to restore the Spleen and Stomach's normal ascending and descending functions so that fluids are properly transported rather than accumulating as Dampness.

Envoy herbs

Tong Cao is light and bland, gently conducting the formula's actions through the water passages and guiding Damp-Heat to exit via urination. It connects the upper and middle sources of fluid to the lower outlet.

Notable synergies

The Huang Qin and Hua Shi pairing is the formula's signature: bitter-cold clearing Heat paired with bland percolation draining Dampness, addressing both halves of the Damp-Heat tangle. The combination of Bai Dou Kou's warmth with the cold draining herbs prevents the formula from becoming too cold and further impeding the Spleen, a critical consideration since Spleen dysfunction is part of the original disease mechanism.

How to Prepare

Traditional preparation instructions for Huang Qin Hua Shi Tang

According to the original Wen Bing Tiao Bian instructions:

  1. Place all seven herbs in a suitable pot with approximately 1,200 mL (six cups) of water.
  2. Bring to a boil, then simmer on low heat until the liquid reduces to approximately 400 mL (two cups). Strain off the liquid and set aside.
  3. Return the dregs to the pot, add fresh water, and boil again until approximately 200 mL (one cup) is obtained. Strain and combine with the first decoction if desired, or take separately.
  4. Divide into three portions and take warm, three times daily.

Bai Kou Ren (White Cardamom) is aromatic and volatile. In modern practice it is typically added near the end of the decoction (during the last 5 minutes of simmering) to preserve its aromatic, Qi-moving properties. Hua Shi (Talcum) should be wrapped in cloth (包煎) before decocting to prevent the powder from making the liquid gritty.

Common Modifications

How practitioners adapt Huang Qin Hua Shi Tang for specific situations

Added
Gu Ya

Stir-fried, 6-15g, to digest grain stagnation

Mai Ya

Stir-fried, 6-15g, to dissolve food stagnation

Shen Qu

3-9g, to promote digestion

When Damp-Heat is complicated by food accumulation, these digestive herbs help break down stagnant food, relieving the additional burden on the already-impaired Spleen and Stomach.

Educational content — always consult a qualified healthcare provider or TCM practitioner before using any herbal formula.

Contraindications

Situations where Huang Qin Hua Shi Tang should not be used or requires extra caution

Avoid

Cold-Damp patterns without Heat: This formula clears Heat and drains Dampness. It is inappropriate when Dampness is present without Heat signs (e.g. pale tongue with white greasy coating, absence of yellow tongue coating, clear urine). Using it in Cold-Damp conditions could damage Spleen Yang further.

Avoid

Yin deficiency with Heat signs (afternoon fever from Yin depletion): The original text warns against mistaking Damp-Heat afternoon fever for Yin deficiency. If the patient truly has Yin deficiency without Dampness, this drying and draining formula will further deplete fluids.

Avoid

Exterior Wind-Cold patterns: Wu Jutong explicitly warns against treating Damp-warmth (湿温) with exterior-releasing methods for Cold damage. If the patient has genuine Wind-Cold invasion with chills, tight pulse, and thin white coating, this formula would be inappropriate.

Caution

Spleen and Stomach Yang deficiency with loose stools and poor appetite: In patients with underlying Spleen Yang deficiency, the bitter-cold and draining nature of this formula (particularly Huang Qin and Hua Shi) may worsen digestive weakness. Use cautiously and only if clear Damp-Heat signs predominate.

Caution

Severe fluid depletion or dehydration: The formula contains multiple herbs that promote urination and drain Dampness (Hua Shi, Zhu Ling, Fu Ling Pi, Tong Cao). In patients who are already significantly dehydrated or have dry tongue and scanty urine from fluid loss, this draining approach could worsen the condition.

Caution

Pregnancy: Hua Shi (Talcum) and Tong Cao (Tetrapanax) are diuretic substances that should be used cautiously in pregnancy. Zhu Ling also has strong draining properties. While none are classified as strongly abortifacient, the overall draining nature of the formula warrants caution.

Special Populations

Important considerations for pregnancy, breastfeeding, and pediatric use

Pregnancy

Use with caution during pregnancy. The formula contains multiple strongly draining and diuretic herbs: Hua Shi (Talcum), Zhu Ling (Polyporus), Fu Ling Pi (Poria skin), and Tong Cao (Tetrapanax pith) all promote urination and may excessively drain fluids. While none of these are classified as strongly abortifacient, the combined draining and bitter-cold nature of the formula could potentially compromise fluid balance during pregnancy. Huang Qin (Scutellaria), though traditionally considered safe and even protective in pregnancy in moderate doses, is used here in a Heat-clearing context alongside cold and draining substances. This formula should only be used during pregnancy under close supervision by a qualified practitioner when clear Damp-Heat signs are present and the benefit clearly outweighs the risk.

Breastfeeding

No specific contraindications during breastfeeding have been established for this formula. The herbs in the formula are generally considered compatible with breastfeeding when used short-term at standard doses. However, the formula's overall cold and draining nature may theoretically reduce milk production in some individuals, as breast milk is considered a transformation of Blood and fluids in TCM, and excessive fluid drainage could diminish this supply. Huang Qin (Scutellaria) is bitter and cold, and its active compounds (baicalin, baicalein) may pass into breast milk in small amounts, though clinical significance is not well documented. Breastfeeding individuals should use this formula only when clearly indicated, keep the course of treatment short, and consult a qualified practitioner.

Children

This formula may be used in children for clear presentations of Damp-Heat with appropriate dosage reduction. General pediatric dosing guidelines apply: approximately one-quarter of the adult dose for infants under 3 years, one-third for children aged 3–6, and one-half for children aged 7–14. The bitter taste of Huang Qin and the bland taste of Hua Shi may cause poor compliance in young children; a small amount of honey may be added to improve palatability if there are no contraindications. Because children's Spleen and Stomach are considered inherently delicate in TCM, the draining and cold nature of this formula should be used conservatively and discontinued promptly once symptoms improve, to avoid damaging digestive function.

Drug Interactions

If you are taking pharmaceutical medications, be aware of these potential interactions with Huang Qin Hua Shi Tang

Diuretics: This formula contains multiple herbs with diuretic properties (Hua Shi, Zhu Ling, Fu Ling Pi, Tong Cao). Concurrent use with pharmaceutical diuretics (furosemide, hydrochlorothiazide, spironolactone) may produce additive fluid and electrolyte loss, potentially leading to dehydration or electrolyte imbalances. Monitoring of fluid status and electrolytes is advisable.

Antihypertensive medications: The diuretic effects of the formula could theoretically potentiate the blood-pressure-lowering effects of antihypertensive drugs, increasing the risk of hypotension.

CYP450 interactions: Baicalin and baicalein, the major active flavonoids in Huang Qin (Scutellaria baicalensis), have been shown in laboratory studies to inhibit certain CYP450 enzymes, particularly CYP2C9 and CYP3A4. This could theoretically alter the metabolism of drugs processed through these pathways, including warfarin, some statins, and certain anticonvulsants. Clinical significance at standard decoction doses is not well established, but caution is warranted for patients on narrow-therapeutic-index drugs.

Anticoagulants and antiplatelet agents: Huang Qin has shown mild anticoagulant properties in some pharmacological studies. Patients on warfarin, heparin, or antiplatelet drugs should use this formula with monitoring.

Usage Guidance

Practical advice for getting the most out of Huang Qin Hua Shi Tang

Best time to take

Three times daily, taken warm, between meals (approximately 30–60 minutes before or after eating).

Typical duration

Acute use: typically 3–7 days, reassessed as symptoms resolve. Discontinue promptly once Damp-Heat signs clear.

Dietary advice

While taking this formula, avoid greasy, fried, and heavily rich foods, as these generate internal Dampness and directly counteract the formula's Dampness-resolving action. Cold and raw foods (ice cream, cold salads, chilled drinks) should also be minimized, as they impair Spleen function and hinder the transformation of Dampness. Alcohol and spicy-hot foods should be avoided, as they generate Damp-Heat internally. Favour light, easily digestible foods: plain rice congee, mung bean soup, Job's tears (yi yi ren) porridge, winter melon, and lotus seed are all traditionally recommended during Damp-Heat conditions. Adequate warm water intake supports the formula's diuretic action in clearing Dampness through the urinary tract.

Huang Qin Hua Shi Tang originates from Wen Bing Tiao Bian (温病条辨), Volume 2, Middle Burner chapter (中焦篇), by Wu Jutong (吴鞠通) Qīng dynasty, 1798 CE

Classical Texts

Key passages from the classical Chinese medical texts that first described Huang Qin Hua Shi Tang and its clinical use

Original condition text from the Wen Bing Tiao Bian (温病条辨), Middle Burner chapter:

脉缓身痛,舌淡黄而滑,渴不多饮,或竟不渴,汗出热解,继而复热,内不能运谷之湿,外复感时令之湿,发表攻里,两不可施,误认伤寒,必转坏证,徒清热则湿不退,徒祛湿则热愈炽,黄芩滑石汤主之。

"The pulse is moderate, the body aches, the tongue coating is pale yellow and slippery, there is no great thirst or no thirst at all, sweating temporarily resolves the fever but then the fever returns. Internally there is inability to transport food-dampness, externally there is contraction of seasonal dampness. Neither releasing the exterior nor attacking the interior can be applied. If mistaken for Cold Damage, the condition will certainly deteriorate. Merely clearing Heat will not resolve the Dampness; merely dispelling Dampness will cause the Heat to blaze even more. Huang Qin Hua Shi Tang governs this."

Wu Jutong's formula commentary (方论):

湿热两伤,不可偏治:故以黄芩、滑石、茯苓皮,清湿中之热。蔻仁、猪苓,宣湿邪之正。再加腹皮、通草,共成宣气利小便之功。气化则湿化,小便利则火腑通而热自清矣。

"When both Dampness and Heat are injuring the body, one-sided treatment is not permissible. Therefore Huang Qin, Hua Shi, and Fu Ling Pi clear Heat within the Dampness. Kou Ren and Zhu Ling promote the correct movement of Damp pathogen. Adding Da Fu Pi and Tong Cao together achieves the effect of promoting Qi and facilitating urination. When Qi transforms, Dampness also transforms; when urination flows freely, the Fire organ is unblocked and Heat clears of its own accord."

Historical Context

How Huang Qin Hua Shi Tang evolved over the centuries — its origins, lineage, and place in the broader tradition of Chinese medicine

Huang Qin Hua Shi Tang was created by Wu Jutong (吴鞠通, 1758–1836), one of the four great masters of the Warm Disease (温病) school, and published in his landmark 1798 work Wen Bing Tiao Bian (温病条辨, Systematic Differentiation of Warm Diseases). The formula appears in the Middle Burner chapter (中焦篇) under the section on Damp-warmth (湿温).

Wu Jutong's intellectual lineage drew heavily from Ye Tianshi (叶天士), the founder of the Wei-Qi-Ying-Xue (defensive-Qi-nutritive-Blood) differentiation framework. Wu also built upon earlier insights from the Huang Di Nei Jing and selectively incorporated and critiqued methods from the Shang Han Lun tradition. In the original text, Wu explicitly warns against misidentifying Damp-warmth as Cold Damage (伤寒) and applying inappropriate sweating or purging methods, which he states will inevitably worsen the patient's condition.

The formula exemplifies a core principle of Warm Disease therapeutics: when Dampness and Heat are intertwined, treatment must address both simultaneously. As Wu wrote, "merely clearing Heat will not resolve the Dampness; merely dispelling Dampness will cause the Heat to blaze." This represents a middle-path strategy distinct from both the cold-clearing approach used for pure Heat conditions and the warm-drying approach used for pure Dampness. The formula shares ingredients with San Ren Tang (another Wu Jutong formula for Damp-warmth) but has stronger Heat-clearing power through the addition of Huang Qin and Zhu Ling, making it suitable for cases where Heat is more prominent than in the typical San Ren Tang presentation.

Modern Research

A published study investigating the pharmacological effects or clinical outcomes of Huang Qin Hua Shi Tang

1

Huang Qin Hua Shi decoction for high-temperature- and high-humidity-induced cognitive-behavioral disorder in rats (Animal study, 2019)

Luo Y, Yang M, Guo M, Zhong X, Hu Y. Journal of International Medical Research, 2019, 47(11): 5752–5766.

This preclinical study investigated the effects of Huang Qin Hua Shi decoction on rats subjected to high-temperature and high-humidity stress, conditions that model the Damp-Heat environment traditionally treated by this formula. Rats treated with the decoction showed significantly improved performance on cognitive and behavioral tests (Morris water maze, open-field test) compared to untreated stressed rats. The formula appeared to work by deactivating the overactive hypothalamic-pituitary-adrenal (HPA) axis, reducing elevated stress hormones (CRH, ACTH, corticosterone) and restoring glucocorticoid receptor expression in the hypothalamus. The results suggest the formula may protect against cognitive impairment caused by chronic heat and humidity stress.

DOI

Research on TCM formulas is growing but still limited by Western clinical trial standards. These studies provide emerging evidence and should be considered alongside practitioner expertise.