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A Chinese herbal product, Lianhuaqingwen capsules (LH capsules), can help people recover faster from COVID-19, according to research carried out in China. LH contains Lian Qiao (Fructus Forsythiae), Jin Yin Hua (Flos Lonicera japonica), Ma Huang (Herba Ephedrae), Ban Lan Gen (Radix Isatidis), Huo Xiang (Herba Pogostemonis), Da Huang (Radix Et Rhizoma Rhei), Gan Cao (Radix Glycyrrhizae), Guan Zhong (Rhizoma Dryopteris, Hong Jing Tian (Radix Rhodiolae Crenulate), You Xing Cao (Herba Houttuyniae), Ku Xing Ren, (Semen Armeniacae Amarum), Shi Gao (Gypsum Fibrosum) and Bo He (Herba Menthae Haplocalycis). In a prospective open-label clinical trial, 284 patients with confirmed COVID-19 were randomised to receive usual treatment alone or in combination with LH capsules (four capsules, three times daily) for 14 days. Treatment with LH capsules resulted in a significantly higher rate of, and a shorter time to, symptom recovery than usual treatment. The recovery rate was significantly higher in the treatment group compared with the control group (91.5% versus 82.4%). Median time to symptom recovery was markedly shorter in the treatment group (7 versus 10 days). Time to recovery of fever (2 versus 3 days), fatigue (3 versus 6 days) and coughing (7 versus 10 days) were also significantly shorter in the treatment group. The rate of improvement in chest CT scan findings (83.8% versus 64%) and clinical cure rate (78.9% versus 66.2%) were also higher in the treatment group.

Efficacy and safety of Lianhuaqingwen capsules, a repurposed Chinese herb, in patients with coronavirus disease 2019: A multicenter, prospective, randomized controlled trial. Phytomedicine. 2020 May 16;153242.