Answer
Some pressurised inhalers can or must be used with a compatible spacer. Check the exact inhaler's instructions.
Sources for this answer
- NHSNHS · NHS medicine guidance
- Soprobec 250 micrograms per actuation pressurised inhalation 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.