How Long Does Lantus Solostar Last?

16.2 Storage Dispense in the original sealed carton with the enclosed Instructions for Use. Store unused LANTUS in a refrigerator between 36°F and 46°F (2°C and 8°C). Do not freeze. Discard LANTUS if it has been frozen. Protect LANTUS from direct heat and light. Storage conditions are summarized in the following table. Not in-use (unopened) Not in-use (unopened) In-use (opened) Refrigerated Room Temperature (36°F–46°F [2°C–8°C]) (up to 86°F [30°C]) (see temperature below) 10 mL multiple-dose vial Until expiration date 28 days 28 days Refrigerated or room temperature 3 mL single-patient-use SoloStar prefilled pen Until expiration date 28 days 28 days Room temperature only (Do not refrigerate)