Injection is supplied as a ready-to-use sterile isotonic solution for intravenous infusion. Each mLcontains 2 mg of linezolid. Inactive ingredients are sodium citrate, citric acid, and dextrose in an aqueousvehicle for intravenous administration. The sodium (Na+) content is 0.38 mg/mL (5 mEq/300-mL bag and 1.7mEq/100-mL bag).