Today, the main functions still recognized for both baizhu and cangzhu are the ability to overcome moisture accumulation (damp impediment) and to promote digestion (disperse food).In China, impetigo is known as huangshi chuang (yellow-discharge sore). The disease is thought to be produced by the combination of internal damp-heat and external toxic-evil (3). Damp-heat arising internally is usually understood to be due to dietary factors, especially when the stomach/spleen function is weak and unable to distribute moisture. The accumulated dampness from fatty, moist, and salty foods, and from food residue that remains too long as a result of weak stomach function, transforms into heat, yielding the internal damp-heat condition.
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