Depending on formulation, the product is for the treatment of nematodes, lice, mites, ticks, flies, lungworms and liver flukes. Warning from the manufacturer: COVID-19 Alert concerning Ivermectin Products: WARNING! A number of products including Equine Dewormer, Sheep Drench, Cattle Pour On, and Cattle Injectables contain the anti-parasite ingredient Ivermectin. Despite media reports that Ivermectin could potentially be used to treat people with COVID-19, these products are not safe or approved for human use, which could cause severe personal injury or death.