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tepoxalin

n. A nonsteroidal anti-inflammatory drug.

Wikipedia
Tepoxalin

Tepoxalin is a nonsteroidal anti-inflammatory drug approved for veterinary use in the United States and many other countries. It is primarily used to reduce inflammation and relief of pain caused by musculoskeletal disorders such as hip dysplasia and arthritis.

It is generally marketed under the brand name Zubrin.