Ivermectin is an antiparasitic medicine that is a member of the avermectin pharmacological family. The designation "USP" signifies that it satisfies the quality, purity, and potency requirements set forth by the US Pharmacopeia. It paralyzes and kills the targeted organism by attaching itself to specific channels in the parasites' nerve and muscle cells. https://www.medihealthplus.com/product-page/ivermectin-tablet