Can Ivermectin Be Used to Treat COVID-19? Pulmonary and critical care specialist Dr. Pierre Kory appeared on The Doctors television show, which aired on February 8, 2021, to discuss whether ivermectin, which has been used for 40 years to treat head lice and many parasitic diseases, can be used to treat COVID-19. During the program, Dr. Kory presented scientific information and medical evidence about how ivermectin works to prevent and treat COVID-19. We have linked a three-minute excerpt of the program. The full episode was taken down by YouTube. Dr. Ebony Hilton, a critical care specialist, was on the show to present an opposing opinion.