IRCT20160131026298N6 IRCT 2020-09-08 Bagheiat-allah University of Medical Sciences Evaluation of the effectiveness of Nigel-7 capsule and black seed mixture on corona Evaluation of the effectiveness of Nigel-7 capsule and black seed mixture on COVID-19 2020-11-05 anticipated 80 Complete https://irct.ir/trial/50246 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not 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 . 2-3 COVID-19. Intervention 1: Intervention group: Intervention groups will be two ones. Patients in the intervention group will receive the intervention drug (three capsules a day and ten grams of black seed mixture daily) that is made by Talaye sabze tooba company; in addition to the routine treatment (Azithromycin 250 mg daily for 10 days and Naproxen 250 mg twice a day for 10 days) . Intervention 2: Control group: The control group will receive the routine treatment (Azithromycin 250 mg daily for 10 days and Naproxen 250 mg twice a day for 10 days) . 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