<p>Ertapenem 1 g single dose should be prepared with diluent containers containing 50 mL or 100 mL of 0.9% Sodium Chloride Injection. When prepared with this diluent, Ertapenem for Injection maintains satisfactory potency for 6 hours at room temperature (25&deg;C) or for 24 hours under refrigeration (5&deg;C) and used within 4 hours after removal from refrigeration. Solutions of Ertapenem should not be frozen.</p>