it s also used as a dewormerfor horses. and the advice from the us food and drug administration the fda is clear while there are approved uses for ivermectin in people and animals, it is not approved for the prevention or treatment of covid 19. by the end of august, the fda s language had evolved. it tweeted: you are not a horse. you are not a cow. seriously, y all. stop it! its intervention was prompted by an increase in sales of ivermectin. this is one pet shop manager in texas. we typically sell maybe ten of those in a month. but in the past month we have probably sold 50 to 100. we do not know if that is what they are using it for. evidently the fda has a theory. so does nbc s ben collins. in a twitter thread he promised to explain how people started eating horse goo . he wrote: anti vaxxers started imploring each other to go to pet stores,