Answer
Keep it refrigerated, do not freeze or shake it, and protect it from light in its original carton. Follow the carton and leaflet instructions after removal from refrigeration.
Sources for this answer
- Ilaris 150mg Solution for Injection in pre-filled Pen — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.