Answer
Keep it in its original packaging, upright and below the stated maximum temperature. Discard it after the in-use period printed in the leaflet.
Sources for this answer
- Desmopressin Spray 10 Micrograms/dose, nasal spray, solution — 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.