The pathogens of SARS were plague and damp-heat evil.
疫疠之气、湿热之邪为致病之因；
There are external evil, such as damp-heat, blood stasis etc in excess syndrome.
邪实则有外邪、湿浊热毒、瘀血等。
For diabetic skin itching. TCM treats it as a disorder of deficiency, evil wind and damp - heat.
中医对糖尿病皮肤搔痒症主要从虚、风、湿热论治，对并发疖肿、痈疽则以清热解毒、扶正托毒治之。
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