Isolyte S pH 7.4 (Multi-electrolyte Injection), 1000 mL IsolyteS pH 7.4 (Multi-Electrolyte Injection), 1000 mL Description Isolyte S pH 7.4 is sterile, nonpyrogenic, and contains no bacteriostatic or antimicrobial agents. This product is intended for intravenous administration.  This solution is indicated for use in adults as a source of electrolytes and water for hydration, and as an alkalinizing agent. Not manufactured with latex, PVC or DEHP.