Lower Back Pain - Damp-Heat Pattern

Dr. Li Wei, DACM

Lower Back Pain · Damp-Heat Pattern

Updated: June 23, 2026

Reviewed by: Dr. Li Wei, DACM

Reading Time: 6 min

Body Area: Lower Back

Pattern Overview

Damp-Heat is a special pattern in lower back pain, characterized by heavy sensation with distending pain, aggravation with heat, dry mouth, and bitter taste. The core pathogenesis is accumulation of Damp-Heat in the lumbar region, causing Qi-Blood stagnation and distending pain.

Key Symptoms and Differentiation Points

| Differentiation Dimension | Manifestations |

| :— | :— |

| Primary Symptoms | Distending and heavy pain in the lower back, worse with heat |

| Associated Symptoms | Dry mouth, bitter taste, dark urine, irritability, feverish sensation |

| Tongue and Pulse | Red tongue with yellow greasy coating, slippery and rapid pulse |

| Pathogenesis | Damp-Heat accumulating in the lumbar region, Qi-Blood stagnation |

| Etiology | Damp-Heat constitution, excessive consumption of rich and fatty foods, external Damp-Heat invasion |

Acupuncture Point Prescription

| Point | Location | Function |

| :— | :— | :— |

| BL23 Shenshu | Lower back, 1.5 cun lateral to L2 | Regulates Kidney Qi, clears Heat and drains Dampness |

| SP9 Yinlingquan | Below the medial condyle of the tibia | Strengthens Spleen and transforms Dampness, promotes diuresis and drains Dampness |

| BL40 Weizhong | Midpoint of the popliteal crease (behind the knee) | Relaxes sinews and activates collaterals, benefits the lower back and knees |

| Ashi points | Tender spots around the lower back | Local clearing of Heat and unblocking collaterals for pain relief |

Clinical Recommendation: Filiform needle, reducing method; Weizhong and Yinlingquan may be pricked to bleed to enhance Heat clearing and Dampness draining.

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 |

| :— | :— |

| Dry mouth and bitter taste | Add Zhi Zi, Huang Qin to clear Heat |

| Dark urine | Add Che Qian Zi, Ze Xie to promote diuresis |

| Severe pain | Add Ru Xiang, Mo Yao to invigorate blood and relieve pain |

| Fever | Add Shi Gao, Zhi Mu to clear Heat and generate fluids |

Western Mechanism Reference

Inflammatory back pain with elevated IL-6/TNF-α, local soft tissue inflammation, and lumbar edema. Damp-Heat corresponds to infectious or immune-mediated lower back pain, where elevated inflammatory markers and soft tissue edema contribute to symptom severity.

References

  1. Textbook Standard.

  2. WHO. (2023). Musculoskeletal pain. World Health Organization.

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