Elanco Animal Health Incorporated is an American pharmaceutical company which produces medicines and vaccinations for pets and livestock.

[citation needed] In the 1980s, research moved away from plant sciences and focused on animal health and food quality.

[citation needed] In 2010, the business acquired the European rights to a portfolio of Pfizer Animal Health treatments and an Irish manufacturing site.

[5] In 2018, Lilly announced plans to separate its Elanco Animal Health unit from the rest of the business via an initial public offering on the New York Stock Exchange, with the stock-ticker ELAN.

[6][7] On December 3, 2020, Elanco announced plans to build a new global headquarters in Indianapolis at the site of the former GM stamping plant, which is located across the White River from the downtown area.

[10][11] On July 13, 2023, following a multi-year review, the EPA announced that they were unable to determine whether Seresto was the cause of reported animal deaths.