Ivermectin pour-on for cattle is indicated for the treatment and control of gastrointestinal roundworms including inhibited ostertagia ostertagi, grubs, flies, sucking and biting lice and sarcoptic mange mites in cattle. 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.