Diarrhea

Diarrhoea refers to abnormal frequency and liquidity of fecal discharges. It is usually due to disorders of the spleen, stomach, large and small intestines. In light of the manifestations of the disease and the course, it is clinically divided into acute and chronic. The former is mostly caused by indigestion due to excessive  eating or improper diet and attack of external cold dampness, leading to dysfunction in transmission of intestinal contents, or caused by invasion of damp heat in summer or autumn; the latter is caused by deficiency of the spleen and stomach, leading to failure in transportation and transformation.

Diarrhoea may be caused by the six exogenous pathogenic factors, among which mostly by cold, dampness and summer heat. The spleen is in preference to dryness but dislikes dampness, which usually causes diarrhoea. Besides the superficial portion of the body and the lung, the stomach and intestines may be affected by the pathogenic cold or summer heat, resulting in diarrhoea. In the latter case, however, the diarrhoea is also often related to dampness. 

Excessive intake of food, particularly greasy food, leading to impairment of the stomach and spleen in transportation and transformation, or eating of raw, cold, dirty food, injuring the spleen and stomach, all bring about diarrhoea. Diarrhoea may also be caused by weakened function of the spleen and stomach due to irregular daily life or other factors. Since the spleen has the function in transformation and transportation, diarrhoea may occur if this function is affected.  

 

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