Dampness expulsion

Dampness expulsion (known in Chinese as 'Qu Shi') is a foundational therapeutic principle in Traditional Chinese Medicine (TCM) rather than a discrete molecular target like a protein or receptor. It describes the pharmacological process of removing pathological 'dampness'—a concept representing the accumulation of excess fluids, metabolic waste, or inflammatory exudates that impair physiological functions. In modern pharmacological terms, this therapeutic action is typically mediated by a combination of diuresis, regulation of water-channel proteins like aquaporins (e.g., AQP1, AQP2), and the suppression of pro-inflammatory cytokines such as TNF-alpha and IL-6. Herbs and formulas categorized under this principle, such as Poria or Alisma, work by restoring fluid homeostasis and clearing metabolic stagnation across multiple organ systems including the Spleen and Kidneys. While it serves as a focus for therapeutic intervention in traditional medicine, it represents a systemic physiological effect rather than a single biochemical entity.

Other names

Qu ShiResolving dampnessDispelling dampnessEliminating dampnessDraining dampness

Dampness expulsion is achieved through the promotion of diuresis, regulation of water-channel protein expression (specifically aquaporins), and modulation of inflammatory pathways such as TNF-alpha and IL-6. It involves the functional restoration of the Spleen, Lung, and Kidney systems to manage systemic fluid distribution and metabolic waste removal.