<p>Store the vial in original carton at 2 o -8 o C. Protect from light. Keep out of the reach of children. Store reconstituted Trastuzumab in the refrigerator at 2&deg;C to 8&deg;C, discard unused Trastuzumab after 28 days. If Trastuzumab is reconstituted with SWFI without preservative, use immediately and discard any unused portion. Do not freeze. The solution of Trastuzumab for infusion diluted in 0.9% Sodium Chloride Injection, USP, should be stored at 2&deg;C to 8&deg;C for no more than 24 hours prior to use. Do not freeze.</p>