基于古代经方传承的清肺排毒汤组方配伍分析

清肺排毒汤经临床实践证明为新型冠状病毒肺炎治疗的有效方剂,由4个古代经典名方化裁而来,具有极大的理论挖掘价值和传承价值。分析其4个经方的功效特点可知,麻杏石甘汤宣肃肺气,五苓散温阳化气、射干麻黄汤温肺化饮,小柴胡汤和解少阳。在此基础上,推演其组方规律可知,麻黄、细辛2药升降相因、宣肃肺气,为君药;茯苓、猪苓、泽泻、山药、藿香、杏仁、桂枝、白术8药温阳化气、利水祛湿,为臣药;生姜、半夏、陈皮、枳实、射干、紫菀、款冬花、柴胡和胃降逆、利气祛痰,为佐助,石膏、黄芩清肺化痰降逆止咳,为反佐;甘草调和诸药,为使药。清肺排毒汤组方配伍重在调节气机的升降浮沉,祛除寒湿瘀毒的病理产物。

Compatibility of Qingfei Paidu Decoction Based on Ancient Classical Prescriptions

Qingfei Paidu Decoction has been proved in clinical practice to be an effective prescription for treating COVID-19.It is derived from four ancient classical prescriptions and has great values for theoretical mining and inheritance.Among the four classical prescriptions,Maxing Shigan Decoction disperses and purifies lung qi; Wuling Powder warms yang qi; Shegan Mahuang Decoction warms lung and resolves fluid retention; Xiaochaihu Decoction harmonizes lesser yang.According to the rule of prescription formation,Ephedrae Herba and Asari Radix et Rhizoma disperse and purify lung qi by ascending and descending qi,being the sovereign herbs; Poria,Polyporus,Alismatis Rhizoma,Dioscoreae Rhizoma,Pogostemonis Herba,Armeniacae Semen Amarum,Cinnamomi Ramulus,and Atractylodis Macrocephalae Rhizoma warm yang qi,promote urination,and dry dampness,being the minister herbs; Zingiberis Rhizoma Recens,Pinelliae Rhizoma,Citri Reticulatae Pericarpium,Aurantii Fructus Immaturus,Belamcandae Rhizoma,Asteris Radix et Rhizoma,Farfarae Flos,and Bupleuri Radix harmonize stomach,descend adverse qi,benefit qi,and dispel phlegm,being the assistant herbs; Gypsum Fibrosum and Scutellariae Radix clear lung,resolve phlegm,descend adverse qi,and relieve cough,being corrigent; Glycyrrhizae Radix et Rhizoma harmonizes all the medicinal members in the prescription,being the guide herb.The compatibility of Qingfei Paidu Decoction aims to regulate the ascending and descending of qi and remove the pathological products of cold-dampness and stasis toxin.