To amend the Federal Food, Drug, and Cosmetic Act to expand the conditional approval pathway for more animal drugs, and for other purposes.

Animal Health and Innovation Act of 2018 This bill amends the Federal Food, Drug, and Cosmetic Act to expand the authority of the Food and Drug Administration to conditionally approve a new animal drug that (1) is intended to treat a serious or life-threatening disease or condition or address an unmet animal or human health need, and (2) a demonstration of effectiveness would require a complex or particularly difficult study or studies.