Sciatica - Damp-Heat Bi Pattern
TCM differentiation and treatment for sciatica with
Sciatica · Damp-Heat Bi Pattern
Updated: June 23, 2026
Reviewed by: Dr. Li Wei, DACM
Reading Time: 7 min
Body Area: Leg
Pattern Overview
Damp-Heat Bi is an inflammatory pattern in sciatica, characterized by
burning pain, redness, swelling, and aggravation with heat. The core
pathogenesis is accumulation of Damp-Heat in the leg meridians,
causing inflammatory radiculopathy, nerve root edema, and severe burning
pain.
Key Symptoms and Differentiation Points
| Differentiation Dimension | Manifestations |
|---|
| Primary Symptoms |
|---|
worse with heat |
| Associated Symptoms |
|---|
movement, fever, thirst |
| Tongue and Pulse |
|---|
and rapid pulse |
| Pathogenesis | Damp-Heat accumulating in the leg meridians |
|---|
| Etiology |
|---|
inflammation |
Acupuncture Point Prescription
| Point | Location | Function |
|---|
| BL23 Shenshu | Lower back, 1.5 cun lateral to L2 |
|---|
Kidney Qi, clears Heat and drains Dampness |
| SP9 Yinlingquan | Below the medial condyle of the tibia |
|---|
Transforms Dampness and drains Heat |
| BL40 Weizhong |
|---|
| Relaxes sinews and activates collaterals |
| GB30 Huantiao |
|---|
trochanter of femur | Master point for sciatica; on the Gallbladder
meridian |
Clinical Recommendation: Filiform needle, reducing method; may
combine with pricking and cupping at BL40 to drain Damp-Heat.
Herbal Formula
Base Formula: Si Miao Wan (四妙丸)
Composition:
Atractylodes (Cang Zhu), Phellodendron (Huang Bai), Achyranthes (Niu
Xi), Coix Seed (Yi Yi Ren)
Action: Clears Damp-Heat, reduces inflammation, promotes diuresis,
and relieves pain.
Modifications
| Associated Symptoms | Additions/Subtractions |
|---|
| Severe burning pain |
|---|
detoxify |
| Redness and swelling |
|---|
and reduce swelling |
| Fever and thirst |
|---|
fluids |
Western Mechanism Reference
Inflammatory radiculopathy with elevated inflammatory cytokines, nerve
root edema, and immune dysregulation. Damp-Heat Bi corresponds to
sciatica with a significant inflammatory component, often seen in
infectious or immune-mediated radiculopathy.
References
1. Textbook Standard.
2. WHO. (2023). Musculoskeletal pain. World Health Organization.
Explore More
- Find your solution at MendGod.com –
Personalized herbal protocols and acupressure tools for sciatica relief.
- Deepen your knowledge at TcmCIO.com – Full
research papers and clinical case studies on TCM nerve health.
Related TCM Patterns for Sciatica
Last reviewed: June 2026 | Lead author: Dr. Li Wei, DACM | Content updated: Monthly
Disclaimer: This guide is for educational purposes only and does not constitute medical advice. Consult a licensed healthcare provider before starting any treatment.