What is the only NSAID approved for use in cattle in the US?

• A. Phenylbutazone
• B. Flunixin meglumine
• C. Ketoprofen
• D. Meloxicam

Answer: (B)

Flunixin meglumine is the only NSAID approved for use in cattle in the United States due to its effectiveness in managing pain and inflammation associated with various conditions in livestock, such as febrile states and surgical procedures. This drug is specifically indicated for use in cattle as it has been extensively studied for its safety and efficacy in this species, and has received the necessary regulatory approvals from organizations like the FDA.

In contrast, although phenylbutazone, ketoprofen, and meloxicam are also NSAIDs, they are either not approved for use in cattle or their use is limited due to safety and efficacy concerns. For example, phenylbutazone is primarily used in horses and is not permitted in food animals due to potential residue issues. Ketoprofen and meloxicam may have approved uses in specific situations or in certain other species, but they do not have the same broad approval for use in cattle as flunixin meglumine does. Thus, flunixin meglumine stands out as the designated NSAID for cattle, ensuring both animal welfare and food safety.