Phenylbutazone is a non-steroidal anti-inflammatory drug (NSAID) used as an active pharmaceutical ingredient (API) in both human and veterinary medicine. It's commonly used to treat pain, inflammation, and fever, and is particularly effective for rheumatic conditions and musculoskeletal disorders in animals. The API is available in powder form and is produced by companies like AMGIS Lifescience Ltd. and Nantong Jinghua Pharmaceutical Co., Ltd
