Chewy Settles Antitrust Lawsuit Over Advantix

FDA issues emergency approvals for several animal health products

Published on Feb. 22, 2026

Got story updates? Submit your updates here. ›

Chewy has settled with consumers in a federal antitrust lawsuit accusing Elanco Animal Health of paying retailers not to stock generic versions of Advantix. As part of the settlement, Chewy withdrew its motion to compel arbitration, while claims against Elanco and other retailers continue. The FDA has also issued Emergency Use Authorizations allowing NexGard and NexGard COMBO to treat New World screwworm in dogs and cats, alongside other emergency approvals for Credelio products, Ivomec 1% in cattle, and conditional approval of Exzolt Cattle-CA1.

Why it matters

This case highlights ongoing antitrust concerns in the animal health industry, where large companies may be using anticompetitive tactics to maintain market share. The FDA's emergency approvals also demonstrate the need for effective treatments for emerging animal health issues.

The details

Chewy, the online pet supply retailer, has settled a federal antitrust lawsuit that accused Elanco Animal Health of paying retailers not to stock generic versions of the flea and tick medication Advantix. As part of the settlement, Chewy withdrew its motion to compel arbitration, while the claims against Elanco and other retailers involved in the alleged scheme continue. Separately, the FDA has issued Emergency Use Authorizations for several animal health products, including allowing NexGard and NexGard COMBO to treat New World screwworm in dogs and cats, and approving emergency use of Credelio products, Ivomec 1% in cattle, and the conditional approval of Exzolt Cattle-CA1.

  • The federal antitrust lawsuit against Elanco was filed in 2023.
  • Chewy settled the lawsuit and withdrew its motion to compel arbitration in February 2026.
  • The FDA issued the Emergency Use Authorizations in early 2026.

The players

Chewy

An online pet supply retailer that was involved in a federal antitrust lawsuit against Elanco Animal Health.

Elanco Animal Health

A major animal health company that was accused of paying retailers not to stock generic versions of its flea and tick medication Advantix.

FDA

The U.S. Food and Drug Administration, which issued Emergency Use Authorizations for several animal health products.

Got photos? Submit your photos here. ›

What’s next

The claims against Elanco and other retailers involved in the alleged anticompetitive scheme will continue to be litigated.

The takeaway

This case highlights the ongoing antitrust concerns in the animal health industry, where large companies may be using anticompetitive tactics to maintain market share. The FDA's emergency approvals also demonstrate the need for effective treatments for emerging animal health issues.