RALEIGH, N.C.--(BUSINESS WIRE)--Salix Pharmaceuticals, Ltd. (NASDAQ:SLXP) today announced the Food and Drug Administration (FDA) has accepted for filing and designated for Priority Review the Company’s New Drug Application (NDA) for rifaximin tablets 550 mg for the maintenance of remission of hepatic encephalopathy (HE). Additionally, the FDA has informed the Company of its plan to schedule an Advisory Committee meeting in late February 2010 to discuss the application.