Jing Fang Bai Du San — Powder to Overcome Pathogens

On this page

1. Overview
2. TCM pattern
3. Key herbs
4. Formula actions
5. Conditions treated
6. Cautions

Overview

Jing Fang Bai Du San — the “Schizonepeta and Saposhnikovia Powder to Overcome Pathogenic Influences” — is from the Ming-dynasty Wai Ke Li Li (External Medicine Compass). It is a variant of the better-known Ren Shen Bai Du San that replaces Ren Shen with the surface-releasing pair Jing Jie and Fang Feng, making it more dispersing and less tonifying. The formula is used for two main clinical pictures: an acute Wind-Cold-Damp invasion in a robust patient (without underlying Qi deficiency), and the early stage of skin abscesses or itchy rashes where a surface-releasing approach is needed before the lesion fully forms.

I prescribe Jing Fang Bai Du San as part of bespoke herbal formulas from pharmaceutical-grade granules sourced from Sun Ten in Taiwan.

TCM pattern

Jing Fang Bai Du San is prescribed for Wind-Cold-Damp at the exterior in a non-deficient patient or early-stage Wind-Heat skin lesion:

• Aversion to cold, fever, no sweat
• Severe body and joint aches
• Heavy head, stiff neck
• Nasal congestion, cough with thin phlegm
• Itchy red skin papules in early urticaria or boils
• No major Qi deficiency (no marked fatigue, normal appetite)
• Tongue — white slippery coat
• Pulse — floating, possibly slippery

Key herbs

1. Jing Jie (Hb. Schizonepetae, 4.5-30g), Fang Feng (Rx. Saposhnikoviae, 4.5-12g) — release Wind from the exterior; chief pair (substituting Ren Shen)
2. Qiang Huo (Rz. et Rx. Notopterygii, 2-12g), Du Huo (Rx. Angelicae Pubescentis, 2-12g) — expel Wind-Cold-Damp from joints and channels
3. Chai Hu (Rx. Bupleuri, 2-10g), Qian Hu (Rx. Peucedani, 2-9g) — release the exterior; clear and descend Lung Qi
4. Chuan Xiong (Rz. Chuanxiong, 2-10g) — moves Blood; relieves headache
5. Zhi Ke, Jie Geng (Rx. Platycodi, 2-10g) — regulate Qi; open the Lung
6. Fu Ling (Poria, 2-9g) — resolves Damp
7. Gan Cao (Rx. Glycyrrhizae, 1-6g) — harmonises

Formula actions

1. Releases the exterior; expels Wind-Cold-Damp
2. Disperses early-stage surface lesions
3. Diffuses the Lung; stops cough
4. Relieves body aches and headache

Conditions treated

1. Influenza with prominent body aches and stiffness
2. Common cold with severe joint and muscle pain
3. Acute urticaria in the early Wind-pattern stage
4. Early-stage boils, furuncles or carbuncles (before pus forms)
5. Acute eczema flare with Wind-Heat pattern
6. Allergic rhinitis with itchy rash
7. Early-stage shingles with red papules and no severe pain
8. Acute joint pain with sudden onset after Cold-Damp exposure

Cautions

Not appropriate for Qi-deficient patients with chronic susceptibility to colds — use Ren Shen Bai Du San or Yu Ping Feng San instead.

Not appropriate for interior Heat or Yin-deficient patterns — the warm dispersing herbs aggravate Heat and damage Yin.

Skin abscesses that have already formed pus need surgical drainage and antibiotics — this formula is for the early surface stage only.

Always consult a qualified Chinese herbalist registered with the RCHM.

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