Answer
Store Optison (perflutren) upright in a refrigerator at 2–8°C; storage at room temperature up to 25°C is acceptable for one day, and it must not be frozen.
Sources for this answer
- OPTISON 0.19 mg/ml dispersion for injectionGE Healthcare Limited · emc · SmPC §6.4 Special precautions for storage · Version 1Document updated
Sources checked