IRCT20160131026298N5 IRCT 2020-08-23 Dina Pharmed Exir Salamat Co Evaluation of the effect of SINA anti-flu natural product on COVID-19 Evaluation of the effect of SINA anti-flu syrup and drop on respiratory quality in COVID-19 ; A double-blind study 2020-09-22 anticipated 80 Complete https://irct.ir/trial/49886 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: Randomization method will be blocked randomization (Blocks of size 4). Randomization units are individuals. Eighty outpatients referred to the hospital emergency department are randomly assigned to one of the two intervention and control groups according to form of random string produced by online random allocation , Blinding description: Study participants, the clinical observer, the data collector, and the data analyzer are kept blind to the study groups. Blinding will be done using a placebo in the control group. 2-3 COVID-19. Intervention 1: Intervention group: The product includes herbal syrup (Echinacea, thyme, hyssop, Chebulic Myrobaan), honey and glycyrrhizin drop.Dosage of syrup: every 6 hours;10 cc. Dosage of drop: 20 drops after lunch and dinner. In the intervention group, conventional medicine is used according to the latest protocol of the Ministry of Health at the begining of the study (Azithromycin 250mg once a day and naproxen 250mg twice a day). Intervention 2: Control group: In this group, the common drug is used according to the latest protocol of the Ministry of Health at the begining of the study that is similar to the common drug medicine in the herbal product group. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is Pay attention to organizational rules