Liver-gallbladder damp-heat (LGDH)

Liver-gallbladder damp-heat (LGDH) is a pathological syndrome in Traditional Chinese Medicine (TCM) characterized by the coexistence of internal dampness and heat affecting the liver and biliary systems [2, 5, 6]. It is not a single molecular target but rather a clinical pattern often associated with modern medical conditions such as acute or chronic hepatitis, cholecystitis, and gallstones [3, 10, 14]. In biological terms, LGDH corresponds to a state of systemic inflammation, oxidative stress, and impaired bile acid metabolism [8, 12]. Key pathways involved in its pathophysiology include the activation of the NLRP3 inflammasome, NF-kB, and MAPK signaling cascades, which lead to the overproduction of pro-inflammatory cytokines like IL-1β and TNF-α [7, 15]. Therapeutic interventions for LGDH typically involve complex herbal formulas like Longdan Xiegan Tang, which work through multi-target mechanisms to clear heat and drain dampness [7, 9]. Active components such as gentiopicroside and swertiamarin have been shown to modulate lipid oxidation and inflammatory responses in models of liver injury [7]. While clinical diagnosis relies on traditional indicators like a yellow greasy tongue coating and a slippery pulse, modern research identifies biomarkers such as elevated transaminases and altered serum metabolite profiles like cholic acid [5, 8, 12].

Other names

Gan Dan Shi ReDamp-heat in the liver and gallbladderLiver and gallbladder damp-heat syndromeLiver and gallbladder damp-heat patternIcterus due to damp-heat

Liver-gallbladder damp-heat is a Traditional Chinese Medicine (TCM) syndrome treated by multi-component herbal formulas that 'clear heat and drain dampness.' Molecularly, these treatments inhibit the NLRP3 inflammasome, regulate the NF-kB and MAPK pathways, and modulate bile acid signaling to alleviate inflammation and cholestasis [7, 8, 15].