Estimating the national carbon footprint of inhalers in healthcare.

Background: Metered dose inhalers (MDIs) contain greenhouse gases which have a disproportionate effect on the carbon footprint of healthcare. There are more environmentally friendly alternatives such as dry powder inhalers (DPIs) or soft mist inhalers (SMIs).

Aims: This study aims to approximate the carbon footprint of inhalers dispensed in Irish healthcare.