Carprofen Orion (carprofen) is a brand of carprofen, a nonsteroidal anti-inflammatory drug (NSAID) given to cats and dogs. Alleviates inflammation and pain, especially in musculoskeletal and joint disorders, and after surgical procedures. Available as chewable tablets (25mg, 50mg, and 100mg) for dogs, or as a solution for injection (50mg/ml) for both dogs and cats.