Mallinckrodt develops, manufactures, markets and distributes specialty pharmaceutical products and therapies. Areas of focus include autoimmune and rare disease in areas like neurology, rheumatology, nephrology, pulmonology and ophthalmology, immunotherapy and neonatal respiratory critical care therapies, analgesics and gastrointestinal products. Co. operates its business in two reportable segments: Specialty Brands, which markets branded pharmaceutical products for autoimmune and rare diseases; and Specialty Generics, which includes specialty generic drugs and active pharmaceutical ingredients.