• Using different devices may cause confusion regarding inhaler technique and lead to increased errors in use.6
  • If the patient can use both a pMDI and a DPI then carbon emissions will be reduced if the pMDI inhaler is switched to a DPI.
  • In the chart below, NHS boards at the top of the chart have a lower proportion of patients on two different devices.
  • Healthcare professionals are advised to include this as part of their respiratory review.


People prescribed both pMDI and DPI in consecutive quarters as a proportion of all people prescribed a DPI


The numerical data for NTI graphs can also be viewed here.

The most up to date national therapeutic indicator data is available here.