Analysis on Composition Mechanism of Qingfei Paidu Decoction from Pathogenesis of Cold Pestilence of COVID-19 / 中国实验方剂学杂志

Qingfei Paidu decoction has a remarkable clinical effect, which has been recommended by the Diagnosis and Treatment Plan of Novel Coronavirus Pneumonia (Trial Sixth Edition) of the National Health Commission and National Administration of Traditional Chinese Medicine. In this paper, the authors intend to explore the pathogenesis of cold pestilence of coronavirus disease-2019 (COVID-19) and composition mechanism of Qingfei Paidu decoction, and believe that this formula can be used to relieve internal and external pressure and regulate triple energizer with the functions of promoting lung Qi, dispelling evil and detoxification, moistening and dampening, and purging heat by removing water. This formula is suitable for the pathogenesis of COVID-19, including cold, dryness and dampness, and can effectively treat symptoms. Therefore, it should be widely used throughout the country to contain the spread of the epidemic.

Clinical Study of Qingyan Mixture for Treatment of Laryngeal Cough Patients with Lung Dryness Due to Yin Deficiency / 广州中医药大学学报

Objective To investigate the therapeutic effect of Qingyan Mixture for laryngeal cough patients with lung dryness due to yin deficiency. Methods Sixty laryngeal cough patients with lung dryness due to yin deficiency were evenly randomized into treatment group and control group. The treatment group was given oral use of Qingyan Mixture, and the control group was given oral use of Ketotifen and Carbetapentane. The course of treatment for both groups lasted for 10 days. The overall therapeutic effect, and the effect on individual symptom or sign were evaluated after treatment. Results ( 1) In the treatment group, six patients were cured, 14 were markedly effective, 8 were improved, 2 were ineffective and the total effective rate was 93.3%. In the control group, one case was cured, 7 were markedly effective, 17 were improved, 5 were ineffective and the total effective rate was 83.3%. The overall clinical effect in the treatment group was significantly higher than that in the control group (P0.05) . (3) After treatment, the total scores of main symptoms were decreased in both groups (P<0.05 or P<0.01) compared with those before treatment. Conclusion Qingyan Mixture shows certain effect on relieving symptoms and signs of laryngeal cough patients with lung dryness due to yin deficiency.