Medexus Pharmaceuticals Inc, formerly Pediapharm Inc, is a Canada-based company engaged in pharmaceutical business sector. The Company is a North American focused, specialty pharmaceutical business that operates through three segments: Medac Pharma USA, a fully integrated commercial infrastructure focused on auto-immune diseases in the United States; Medexus Pharma Canada, a fully integrated commercial infrastructure focused on auto-immune disease and pediatric diseases in Canada; and a Business Development function, which works to maintain its product pipeline. The Company's flag products are Rasuvo and Metoject, a formulation of methotrexate (auto-pen and pre-filled syringe) designed to treat rheumatoid arthritis and other auto-immune diseases; and Rupall, an allergy medication. The Company provides products for the healthcare professionals and patients.