Calf Pain · Damp-Heat Bi Pattern
Updated: June 23, 2026
Reviewed by: Dr. Li Wei, DACM
Reading Time: 6 min
Body Area: Leg
Pattern Overview
Damp-Heat Bi is an acute inflammatory pattern in calf pain, characterized by inflammatory myopathy, swelling, redness, and burning pain. The core pathogenesis is accumulation of Damp-Heat in the calf muscles, causing local inflammation, edema, and impaired muscle function.
Key Symptoms and Differentiation Points
| Differentiation Dimension | Manifestations |
|---|---|
| Primary Symptoms | Swelling, redness, burning pain in the calf |
| Associated Symptoms | Local warmth, limited movement, tenderness |
| Tongue and Pulse | Red tongue with yellow greasy coating, slippery and rapid pulse |
| Pathogenesis | Damp-Heat accumulating in the calf muscles |
| Etiology | Acute muscle strain with inflammatory response, infection |
Acupuncture Point Prescription
| Point | Location | Function |
|---|---|---|
| SP9 Yinlingquan | Below the medial condyle of the tibia | Transforms Dampness and drains Heat |
| BL57 Chengjin | Middle of the calf, below the gastrocnemius muscle belly | Relieves calf pain and reduces swelling |
| GB34 Yanglingquan | Depression below the head of the fibula | Relaxes tendons and reduces pain |
| Ashi points | Tender spots in the calf | Local clearing of Damp-Heat |
Clinical Recommendation: Filiform needle, reducing method; may combine with pricking and cupping at Ashi points 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 swelling | Add Ze Xie, Che Qian Zi to promote diuresis |
| Burning pain | Add Jin Yin Hua, Lian Qiao to clear Heat and detoxify |
| Fever | Add Shi Gao, Zhi Mu to clear Heat and generate fluids |
Western Mechanism Reference
Inflammatory myopathy with neutrophil infiltration, edema, and elevated inflammatory cytokines. Damp-Heat Bi corresponds to acute muscle inflammation, often seen after severe muscle strain or in cases of infection.
References
- Textbook Standard.
- WHO. (2023). Musculoskeletal pain. World Health Organization.
Explore More
- Find your solution at MendGod.com – Personalized herbal protocols and acupressure tools for leg pain relief.
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