Vivitrol* ER (naltrxone for extended-release injectable suspension) is to be administered by intramuscular injection
The microspheres, diluent, preparation needle, and an administration needle with needle protection device are required for preparation and administration
Two thin-walled 1.5-inch needles (20 gauge) with needle protection device and two 2-inch thin-walled needles (20 gauge) with needle protection device have been provided to accommodate varying patient body habitus
Do not substitute any other components for the components of the carton
