Horizon Therapeutics Plc is a biopharmaceutical company, which is engages in the research, development, and marketing of pharmaceutical products. It operates through the Orphan and Rheumatology, and Inflammation segments. The Orphan and Rheumatology segment consists of medicines KRYSTEXXA, RAVICTI, PROCYSBI, ACTIMMUNE, BUPHENYL, QUINSAIR, and RAYOS. The Inflammation segment comprises of medicines PENNSAID 2%, DUEXIS, and VIMOVO. The company was founded in 2008 and is headquartered in Dublin, Ireland.