(...much like your comment) It's an anti-parasitic medication. Doses much higher than the maximum approved or safely achievable for use in humans would be required for an antiviral effect.
Research failed to confirm the utility of Ivermectin for treating COVID-19. [1] Much of the research indicating otherwise was fraudulent or misleading. [2]
Research failed to confirm the utility of Ivermectin for treating COVID-19. [1] Much of the research indicating otherwise was fraudulent or misleading. [2]
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8406455/
https://www.bbc.com/news/health-58170809