Ivermectin 1% Injection is an injectable parasiticide for cattle & swine. One low-volume dose effectively treats and controls the following internal and external parasites that may impair the health of cattle & swine: gastrointestinal roundworms (including inhibited Ostertagia ostertagi in cattle), lungworms, grubs, sucking lice, and mange mites of cattle; and gastrointestinal roundworms, lungworms, lice, and mange mites of swine.