- were allergic to ivermectin - have the potential for a drug-drug interaction with ivermectin such as tamoxifen or warfarin - previously treated with ivermectin in the last 7 days - had received any herbal medicine - had severe chronic illness (severe congestive heart failure, chronic kidney disease stage 4-5, chronic liver disease, terminal cancer diseases) - had concurrent bacterial infection or unwilling to participate in the trial - patients with severe symptoms, likely due to cytokine release syndrome - uncontrolled co-morbidities and immunocompromised states

- were allergic to ivermectin - have the potential for a drug-drug interaction with ivermectin such as tamoxifen or warfarin - previously treated with ivermectin in the last 7 days - had received any herbal medicine - had severe chronic illness (severe congestive heart failure, chronic kidney disease stage 4-5, chronic liver disease, terminal cancer diseases) - had concurrent bacterial infection or unwilling to participate in the trial - patients with severe symptoms, likely due to cytokine release syndrome - uncontrolled co-morbidities and immunocompromised states