Herb

Shui Niu Jiao

Water buffalo horn | 水牛角

Shui Niu Jiao

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Properties

Heat-clearing herbs · Cold

Traditionally supports*

Fever Management Bleeding Disorders Skin Health Neurological Health

Parts Used

Animal — part (动物部分 dòng wù bù fèn)

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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About This Herb

Traditional Chinese Medicine background and properties

Herb Description

Water buffalo horn is a cooling medicinal substance used in Chinese medicine to clear dangerous levels of internal Heat, particularly when Heat has penetrated deep into the blood. It is the modern replacement for the now-prohibited rhinoceros horn and is primarily used for high fevers with delirium, bleeding caused by overheated blood, skin rashes from toxic Heat, and convulsions in children.

Herb Category

Heat-clearing herbs Herbs that clear Heat and cool the Blood (清热凉血药)

Main Actions

  • Clears Heat and Cools the Blood
  • Resolves Toxicity
  • Calms the spirit and arrests tremors
  • Cools the Blood and Stops Bleeding

How These Actions Work

'Clears Heat and cools the Blood' is Shuǐ Niú Jiǎo's primary action. In warm-febrile diseases (wēn bìng), pathogenic Heat can penetrate from the superficial layers deep into the nutritive (yíng) and Blood (xuè) levels, causing high fever, restlessness, delirium, and a deep crimson tongue. Shuǐ Niú Jiǎo is bitter and salty in taste and Cold in nature, allowing it to enter the Blood level directly through the Heart and Liver channels, clearing the intense Heat that has lodged there. It is considered the modern substitute for the now-banned rhinoceros horn (Xī Jiǎo), used at roughly ten times the original dosage.

'Resolves toxins' means this substance can address the toxic quality of Heat that causes tissue damage, such as the purple-black skin rashes (macules) seen in severe febrile illness, as well as sore, swollen throat and mouth ulcers. The salty taste helps it penetrate deeply into the Blood to neutralize Heat toxins.

'Calms the spirit and arrests tremors' refers to its ability to settle the mind when extreme Heat disturbs the Heart, which houses consciousness (shén). When Heat invades the Pericardium, it can cause delirium, convulsions, and loss of consciousness. Shuǐ Niú Jiǎo clears Heart Fire to help restore mental clarity and stop heat-induced spasms, though this action is considered milder than its Blood-cooling effect.

'Cools Blood Heat and stops bleeding' describes how, by clearing Heat from the Blood, Shuǐ Niú Jiǎo addresses the root cause of bleeding that occurs when extreme Heat forces blood out of the vessels. This includes nosebleeds, vomiting blood, blood in the stool or urine, and subcutaneous bleeding (purpura).

Patterns Addressed

In TCM, symptoms cluster into recognizable patterns of disharmony that reveal what's out of balance in the body. Shui Niu Jiao is traditionally associated with these specific patterns.

The following describes this herb's classification within Traditional Chinese Medicine theory and is provided for educational purposes only.

Why Shui Niu Jiao addresses this pattern

Shuǐ Niú Jiǎo directly addresses Blood Heat through its bitter, salty, and Cold nature. It enters the Heart and Liver channels, the two organs most closely associated with Blood. Its bitter taste descends and drains Heat, while its salty taste allows it to penetrate deeply into the Blood level. This combination makes it especially effective at clearing the intense Heat lodged in the Blood that causes reckless bleeding, crimson tongue, and agitation. Unlike many Cold substances, Shuǐ Niú Jiǎo does not congeal or stagnate Blood even as it cools it, making it particularly well-suited for this pattern.

A practitioner would look for one or more of these signs

Nosebleeds

Epistaxis from blood Heat forcing blood upward

Vomiting Blood

Hematemesis from Heat damaging blood vessels

Skin Rashes

Macules and papules, often dark purple or black

Dark Blood In Stool

Bleeding due to Heat damaging the lower vessels

TCM Properties

Temperature

Cold

Taste

Bitter (苦 kǔ), Salty (咸 xián)

Channels Entered
Heart Liver Stomach
Parts Used

Animal — part (动物部分 dòng wù bù fèn)

This is partial information on the herb's TCM properties. More detailed information is available on the herb's dedicated page

Product Details

Manufacturing, supplier, and product specifications

Product Type

Granules

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Botanical & Sourcing

Quality Indicators

The raw horn is a slightly flattened, curved cone of variable length. The surface should be brownish-black to greyish-black in colour. One side shows transverse groove-like ridges, while the other has dense horizontal indentations. The upper portion tapers to a point with longitudinal striations. The base is roughly triangular and hollow. The material should be hard and horn-like in texture, with a faint fishy smell and a bland to slightly salty taste. Good quality horn shavings (镑片) are thin, uniform, and translucent. The concentrated powder should be fine, even, and free of off-odours. Avoid horns that are cracked, mouldy, or from very young animals.

Primary Growing Regions

Water buffalo are raised throughout China but are most concentrated in the southern and eastern provinces (华南 Huánán and 华东 Huádōng regions). Major production areas include Guangdong, Guangxi, Yunnan, Guizhou, Sichuan, Hunan, Hubei, Jiangxi, Anhui, Zhejiang, and Fujian. Since water buffalo are domesticated animals, there is no specific 道地 (dào dì) terroir concept as with plant medicines. However, horns from healthy, mature animals raised in southern China are traditionally considered the best quality source material.

Harvesting Season

Year-round. The horns are collected from slaughtered water buffalo at any time of year, as this is an animal by-product of the meat industry rather than a seasonally harvested substance.

Supplier Information

Treasure of the East

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Miscellaneous Info

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Usage & Safety

How to use this herb and important safety information

Important Medical Disclaimer

The information provided here is for educational purposes only and is not intended as medical advice or to replace consultation with a qualified healthcare professional. This herb is a dietary supplement and has not been evaluated by the FDA. It is not intended to diagnose, treat, cure, or prevent any disease.

Always consult with a qualified healthcare provider, particularly if you are pregnant, nursing, have a medical condition, or are taking other medications. Discontinue use and consult your healthcare provider if you experience any adverse reactions.

Recommended Dosage

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Instructions for safe storage and consumption

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Traditional Dosage Reference

Standard

15–30g (decoction, must be decocted first for 3+ hours); 1.5–3g (concentrated powder, taken orally)

Maximum

Up to 60–120g in decoction for acute, severe Heat conditions (high fever, delirium, convulsions), always decocted first for at least 3 hours. Concentrated powder: up to 3g per dose, twice daily.

Notes

Dosage varies significantly depending on the preparation form. In raw horn shavings for decoction, 15–30g is the standard range, with the critical requirement that the horn must be decocted first (先煎) for at least 3 hours before adding other herbs, due to the dense keratin structure requiring prolonged extraction. For severe, acute conditions such as high fever with delirium or convulsions, the dose can be increased to 60–120g. When using pre-made concentrated powder (水牛角浓缩粉), 1.5–3g per dose is sufficient, taken 1–2 times daily, dissolved in the strained decoction or warm water. If ground into raw powder (研末) for oral administration, 3–9g per dose is typical. Because Shui Niu Jiao is the substitute for the more potent rhinoceros horn, its effective dose is roughly 10 times that of the original Xi Jiao dose in classical formulas.

Processing Methods

Processing method

The horn is split open, soaked in hot water, then shaved into thin slices (镑片) and dried in the sun. This is the standard decoction form.

How it changes properties

The core properties (Cold, bitter, salty) remain unchanged. Slicing increases the surface area to allow better extraction during the required long decoction time (3+ hours of pre-boiling). The thermal nature and actions are the same as the raw horn.

When to use this form

The standard form for decoctions. Used when preparing herbal formulas at home or in clinic. Requires extended pre-boiling (at least 3 hours before adding other herbs) to extract the active compounds from the dense horn material. Typical dosage is 15-30g, up to 60-120g in severe cases.

Toxicity Classification

Non-toxic

Shui Niu Jiao is classified as non-toxic in both classical texts and the modern Chinese Pharmacopoeia. Animal toxicity studies have confirmed very low toxicity: when water buffalo horn concentrated liquid was administered to mice at 25 to 250 times the normal human dose, no acute toxicity or deaths were observed over 72 hours. Clinical use also confirms an absence of significant adverse effects. At high doses, some patients may experience mild gastrointestinal discomfort including upper abdominal fullness, nausea, bloating, and reduced appetite, but these are self-limiting and resolve when the dose is reduced.

Contraindications

Caution

Spleen and Stomach deficiency-cold (中虚胃寒): Shui Niu Jiao is bitter and very cold in nature. It will further damage the Spleen and Stomach Yang in people who already have cold-type digestive weakness, worsening symptoms like loose stools, poor appetite, and abdominal coldness.

Caution

Diarrhea due to Spleen/Stomach deficiency: The strongly cold nature of this herb can aggravate diarrhea in patients with deficiency-cold patterns of the digestive system.

Caution

Skin rashes in patients with Qi deficiency and without high fever: When rashes appear in a deficiency context rather than excess Heat, using this strongly cold herb can damage the body's righteous Qi without addressing the root cause.

Caution

Absence of excess Heat patterns: This herb should not be used in patients who do not present with genuine Heat signs. Using strong cold-natured medicinals in cold or deficiency conditions can cause harm.

Avoid

Known allergy to water buffalo horn or its components: Discontinue use if allergic reactions occur.

Caution

Large doses may cause upper abdominal discomfort, nausea, bloating, and loss of appetite. Dosage should be carefully managed and reduced if gastrointestinal symptoms appear.

Classical Incompatibilities

Shui Niu Jiao appears in the Nineteen Mutual Fears (十九畏) list as the replacement for rhinoceros horn (犀角): Chuan Wu (川乌) and Cao Wu (草乌) fear rhinoceros horn (犀角). Since Shui Niu Jiao is the standard modern substitute for Xi Jiao, caution is advised when combining it with Chuan Wu, Cao Wu, or Fu Zi (附子, a processed form of aconite), though the interaction with the substitute has been described as showing a 'mutually diminishing' (相恶) effect rather than a frank toxicity reaction.

Special Populations

Pregnancy

Use with caution during pregnancy. Shui Niu Jiao is strongly cold in nature and enters the Blood level, which means it could theoretically affect the uterine environment. While it is not classified as strictly contraindicated in pregnancy, its powerful Blood-cooling and Blood-moving properties warrant careful evaluation. It should only be used during pregnancy when there is clear evidence of high fever or Blood-Heat that poses a greater risk to the pregnancy than the herb itself, and only under practitioner supervision.

Breastfeeding

No specific contraindication for breastfeeding has been documented. However, given its strongly cold nature, extended use could theoretically affect the mother's digestive function and Qi, which may indirectly influence milk production. Short-term use at standard doses for acute Heat conditions is likely acceptable under practitioner guidance, but prolonged use during lactation should be avoided without clear clinical need.

Pediatric Use

Shui Niu Jiao has a long history of use in children, particularly for high fever and convulsions. For children under 3 years old, a typical decoction dose is around 30g per day (of the raw horn shavings, decocted for at least 2–3 hours). For children over 3 years old, the dose may be increased to approximately 60g per day in decoction. The concentrated powder form is often more practical for children at proportionally reduced doses. As with all cold-natured medicinals in paediatric use, monitor for signs of digestive upset (loose stools, poor appetite) and discontinue promptly once the Heat condition resolves.

Drug Interactions

There are no well-documented direct drug interactions for Shui Niu Jiao in the pharmacological literature. However, based on its known pharmacological properties, the following theoretical considerations apply:

  • Anticoagulant and antiplatelet medications: Some studies suggest Shui Niu Jiao may shorten bleeding time and increase platelet counts, while others show possible effects on coagulation. Patients taking warfarin, heparin, aspirin, or clopidogrel should use this herb with caution, as it may alter coagulation parameters in unpredictable ways.
  • Antihypertensive medications: Animal studies have shown that Shui Niu Jiao can lower blood pressure. Concurrent use with antihypertensive drugs may result in additive hypotensive effects.
  • Sedative medications: Shui Niu Jiao has demonstrated sedative and anticonvulsant effects in animal models. Caution is warranted with concurrent use of benzodiazepines, barbiturates, or other CNS depressants.
  • Cardiac glycosides (digoxin): The herb has shown cardiotonic effects (strengthening heart contractions) in isolated heart studies, which could theoretically interact with cardiac glycoside therapy.

Dietary Advice

While taking Shui Niu Jiao, avoid excessively spicy, greasy, or warming foods (such as lamb, chilli peppers, fried foods, and alcohol) which can counteract its Heat-clearing effects. Since this herb is very cold in nature, patients with weak digestion should eat easily digestible, warm (in temperature) foods such as congee and cooked vegetables to protect the Stomach and Spleen from excessive cold. Avoid raw and cold foods if digestive symptoms like bloating or loose stools develop during treatment.

Cautions & Warnings

Although this herb is typically safe for most individuals, it may cause side effects in some people. Pregnant women, nursing mothers, postpartum women, and those with liver disease should use the formula with caution.

As with any Chinese herbal remedy, it is advisable to seek guidance from a qualified TCM practitioner before beginning treatment.