ORION brand Carprofen Orion (carprofen) is a nonsteroidal anti-inflammatory drug (NSAID) given to cats and dogs. Alleviates inflammation and pain 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. An EU Authorised medicine.