Xefo is a brand name for a medication that contains the active ingredient Lornoxicam, which is a non-steroidal anti-inflammatory drug (NSAID). It is commonly used to reduce inflammation and treat pain in conditions like arthritis, musculoskeletal disorders, or post-surgical pain. Lornoxicam, the active ingredient, works by blocking the production of chemicals (prostaglandins) in the body that cause inflammation, pain, and fever.