Health and Fitness FDA Approves Movantik for Opioid-induced Constipation by Gary Kopycinski on September 16, 2014 Gary Kopycinski Author More in Health and Fitness: On Hantavirus, Park Forest Officials Urge Caution May 18, 2026 Rep. Kelly Condemns FDA Approval of Flavored E-Cigarettes May 6, 2026 Park Forest Aligns With Illinois Guidance on Childhood Vaccines Amid Federal Changes January 11, 2026 Silver Spring, Maryland–(ENEWSPF)–September 16, 2014. The U.S. Food and Drug Administration today approved Movantik (naloxegol), an oral treatment for opioid-induced constipation in adults with chronic non-cancer pain.