In the process of disease development, the excess or deficiency of pathogenic and righteous qi changes with the progression of the condition, leading to transformations in the pathogenesis. The transformation between deficiency and excess mainly includes: excess leading to deficiency, deficiency leading to excess, mixed deficiency and excess, true deficiency and false excess, and true excess and false deficiency.
Factors Influencing the Transformation Between Deficiency and Excess
In the process of transformation between deficiency and excess, the main influencing factors include: constitution, nature of the pathogenic factors, regional climate, lifestyle, medical care, and unexpected factors.
Transformation from Excess to Deficiency
During the progression of a disease, when pathogenic qi is strong and righteous qi is not weakened, due to misdiagnosis or inadequate treatment, the condition may linger. Although the pathogenic qi gradually diminishes, the body’s righteous qi and the physiological functions of the organs have been damaged, leading to a pathological change from excess to deficiency.
Transformation from Deficiency to Excess
The term transformation from deficiency to excess refers to the situation where the righteous qi itself is deficient, and the physiological functions of the organs are low, leading to the inability of qi, blood, and fluids to circulate normally, resulting in stagnation of qi, blood stasis, phlegm retention, and dampness as pathogenic factors remaining in the body. At this time, the deficiency of righteous qi and the decline of organ function are the reasons for this transformation.
Mixed Deficiency and Excess
Mixed deficiency and excess includes pathological changes of deficiency with excess and excess with deficiency. In the process of disease, due to inadequate treatment or improper therapy, pathogenic factors may linger, damaging righteous qi; or due to the inherent deficiency of righteous qi, it may be unable to expel pathogenic factors, leading to the accumulation and stagnation of pathological products such as dampness, phlegm, and blood stasis, often resulting in the simultaneous existence of mixed deficiency and excess.
True Deficiency and False Excess
True deficiency refers to the essence of pathological changes, while false excess is a superficial phenomenon, an illusion.
True Excess and False Deficiency
The essence of the pathogenesis of true excess is real, while deficiency is a superficial phenomenon, an illusion.
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Editor: Zi Su
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