Huai Hua San
Classical TCM Formula Profile
Part of the HJMEDICAL TCM Discovery Center
槐花散 · Huái Huā Sàn
A classical formula traditionally used for intestinal wind and damp-heat affecting the lower Intestines, with bleeding in the stool and a sense of incomplete evacuation or itching.
Read the complete guide →Quick Facts
- Formula Category
- Blood-Invigorating Formulas
- Primary Pattern
- Blood Stasis
- Primary Function
- Clear intestines, stop bleeding, disperse wind
- Primary Therapeutic Principle
- Clear heat from the Intestines, stop bleeding and move Qi
- Classical Source
- Jing Yan Liang Fang / classical hemorrhoid tradition
- Available as Granules
- Yes
Formula Overview
A classical formula traditionally used for intestinal wind and damp-heat affecting the lower Intestines, with bleeding in the stool and a sense of incomplete evacuation or itching.
Therapeutic Principle
Traditionally selected for bright-red stool bleeding with heat and wind signs in the Intestines — a clearing and stopping-bleeding approach rather than a Qi-lifting one.
Composition: Sovereign, Minister, Assistant, Envoy
Every herb in the formula, grouped by the job it does in the classical hierarchy.
君SovereignTreats the main pattern
臣MinisterReinforces the sovereign
佐/使Assistant & EnvoyTreats accompanying patterns, harmonises the whole
荊芥Jing Jie6g
Schizonepeta / Japanese Catnip- disperses and scatters wind when dried
- reaches the blood level to stanch bleeding
枳殼Zhi Ke6g
Bitter Orange- moves qi in the middle jiao and relieves distension
Classical Composition
- Sophorae Flos (Huai Hua dry-fried) 12g
- Platycladi Cacumen (Ce Bai Ye baked) 12g
- Schizonepetae Spica (Jing Jie Sui) 6g
- Aurantii Fructus (Zhi Qiao dry-fried with wheat bran) 6g
Dosages follow the classical source and are shown for study, not as a prescription.
Related Conditions
Related Health Topics
Actions
- Clears the intestines and stanches bleeding
- scatters wind and moves qi.
Indications
- The formula is used for patterns of wind heat, and damp toxins obstructing the intestines damaging blood vessels.
- Bleeding that occurs either before or after defecation, blood stained stool, or hemorrhoid bleeding marks this pattern.
- The color of the blood can be either bright or dark, the tongue is red with a yellow coating, and the pulse is rapid.
Traditional Pathogenesis
Cause & mechanism
- The indication of this formula is to treat intestinal wind or visceral toxins due to wind heat, or damp toxins obstructing the intestines and damaging the blood vessels.
- Generally speaking, “the blood from intestinal wind is fresh and bright red, and it bleeds in full fury before stool is evacuated.
- While the blood from viscera toxins is dark and defecated either before or after stool is evacuated.”《Convenient Reader on Established Formulas》Cheng Fang Bian Du《成方便讀》.
Treatment strategy
- The primary therapeutic principle is to cool the blood and stanch bleeding, which is assisted by scattering wind and moving qi.
How does this formula compare?
| Compare | Huai Hua San | Xiao Ji Yin Zi | Bu Zhong Yi Qi Tang |
|---|---|---|---|
| Primary Function | Clear intestines, stop bleeding, disperse wind | Cool Blood, stop bleeding, promote urination | Tonify Middle Qi, raise Yang, lift the sunken |
| Formula Category | Blood-Invigorating Formulas | Heat-Clearing Formulas | Qi-Tonifying Formulas |
| Typical TCM Pattern | Blood Stasis | Blood Stasis | Spleen Qi Deficiency |
| Main Conditions | Abdominal Pain·Constipation | Frequent Urination·Abdominal Pain·Dry Mouth & Throat | Fatigue & Low Energy·Spontaneous Sweating·Poor Appetite·Diarrhea |
| Main Herbs | Sophora Flower·Oriental Arborvitae Leaf·Schizonepeta / Japanese Catnip·Bitter Orange | Field Thistle·Lotus Rhizome Node·Cattail Pollen·Talcum·Akebia Stem | Astragalus Root·Ginseng Root·White Atractylodes Rhizome·Chinese Angelica Root·Tangerine Peel |
| Classical Source | Jing Yan Liang Fang / classical hemorrhoid tradition | Ji Sheng Fang (Yan Yonghe, Song dynasty) | Pi Wei Lun / Nei Wai Shang Bian Huo Lun (Li Dongyuan, Jin dynasty, ~1247–1249) |
Clinical Perspective
Huai Hua San clears intestinal wind-heat and stops bleeding. Xiao Ji Yin Zi cools Blood and stops urinary bleeding. Bu Zhong Yi Qi Tang raises Qi for deficiency-type sinking and may be used when bleeding is from Qi deficiency rather than heat.
Clinical Differentiation
- Huai Hua San is used to treat hemafecia due to intestinal wind or damp heat.
- This clinical pattern is marked by bloody stool, bleeding that is bright red in color, red tongue, rapid pulse.
Safety notes: Since these medicinals are cold and cool in nature, it should only be used for temporary administration rather than for long term use. It is not suitable for bloody stool due to qi deficiency or yin deficiency or weakness of the spleen and the stomach.
For educational reference only, based on traditional pattern differentiation — not a substitute for professional advice.
Frequently Asked Questions
What are the actions of Huai Hua San?
Huai Hua San has the actions of cooling the Intestines, stopping bleeding, dispersing Wind, and moving Qi. It is a classical formula for rectal or intestinal bleeding caused by Wind-Heat or Damp-Heat toxin damaging the blood vessels of the bowels.
Which modern diseases is Huai Hua San suited to?
Modern TCM clinical practice commonly applies it to individuals whose pattern differentiation falls within Wind-Heat or Damp-Heat obstructing the Intestines and damaging the vessels, including hemorrhoidal bleeding, bright-red or dark blood in the stool (hematochezia), anal fissure with bleeding, and certain Heat-type colitis or radiation enteritis presentations.
Is Huai Hua San suitable for improving bright-red bleeding from the rectum or hemorrhoids?
For presentations of bleeding before or after defecation, blood-streaked stools, or hemorrhoidal bleeding (blood bright red or dark), often with a red tongue and yellow coating and a rapid pulse — in those whose pattern differentiation confirms Wind-Heat or Damp-Heat toxin in the Intestines — TCM commonly applies Huai Hua San as an adjunct. It cannot replace standard medical treatment or evaluation of the underlying cause of bleeding.
Related Products
Nong's Huai Hua San (Sophora Flower Powder) 5:1 Concentrated Granules
Related Articles
Huai Hua San: Classic TCM Formula for Intestinal Bleeding, Hemorrhoids & Heat in the Blood
Xiao Ji Yin Zi: Classic TCM Formula for Bloody Urine, Heat in the Blood & Lin Syndrome
Bu Zhong Yi Qi Tang: Classic TCM Formula for Spleen Qi Deficiency & Middle Qi Sinking
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Medical Disclaimer
For general TCM education only — not medical advice. Consult a qualified TCM practitioner or licensed healthcare provider before use, especially if pregnant, nursing, on medication, or managing a chronic condition.