FDA Greenlights New Pet and Livestock Medicines
Published Date: 7/7/2026
Rule
Summary
The FDA just updated the rules for new animal drugs, approving several new and generic medicines for pets and farm animals from early 2026. These changes help keep animal treatments safe and effective, and the updates take effect right away on July 7, 2026. If you’re a drug maker or animal caretaker, these approvals and sponsor changes could impact what medicines are available and when.
Analyzed Economic Effects
3 provisions identified: 1 benefits, 1 costs, 1 mixed.
New cattle fluralaner: use limits and residues
The FDA conditionally approved a fluralaner product for cattle (EXZOLT CATTLE‑CA) and added detailed use limits: dose 2.5 mg/kg, cattle must not be slaughtered for human consumption within 98 days of treatment (but if continuously exposed to temperatures >= 60°F after dosing they may be slaughtered 44 days after treatment), and the drug is not for use in female dairy cattle 20 months of age or older. The rule also sets fluralaner residue tolerances in cattle liver at 500 ppb and muscle at 350 ppb. These changes are effective July 7, 2026.
Multiple new/generic pet drug approvals
During January–March 2026 the FDA approved multiple new or generic animal drugs for companion animals (examples include maropitant chewables, firocoxib tablets for horses, robenacoxib injectable, atipamezole injection, potassium bromide chewable tablets for dogs, and a new atinvicitinib tablet). These approvals give veterinarians and pet caretakers additional approved medicines and take effect July 7, 2026.
Voluntary withdrawals remove some marketed products
FDA recorded voluntary withdrawals of approval for several products (e.g., ROMPUN 20 mg/mL; certain butorphanol and topical gentamicin/betamethasone products; Miconosol; TRI-OCTIC Ointment) on February 27, 2026 because they are no longer marketed. These regulatory entries reflect that those specific products are no longer approved for marketing as of the rule effective date July 7, 2026.
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