In the hospital, pre-filled syringes are stored unopened in a refrigerator between 2 and 8 ℃. If you are using this medicine at home, it is important that the pre-filled syringe is stored in your refrigerator. Do not store it in the freezer. Allow the pre-filled syringe to reach room temperature prior to using it. This usually takes between 15 and 30 minutes. Recombinant Human Erythropoietin Alfa pre-filled syringes that are being used or about to be used can be kept at room temperature (not above 25°C) for a maximum single period of 7 days. Keep these pre-filled syringes away from children and protected from light.