• Samantha Green, Valeria Stoynova, Celia Culley, Alan Kaplan, Ilona Hale, Nicole Simms, and Naba Khan.
• Family physician at Unity Health in Toronto, Ont, and Assistant Professor at the University of Toronto.
• Can Fam Physician. 2024 Jun 1; 70 (6): 381387381-387.

ObjectiveTo provide family physicians with prescribing and diagnostic strategies that can reduce carbon emissions associated with inhalers.Sources Of InformationThis review is based on the authors' experience developing the climate-conscious inhaler prescribing playbooks and courses for CASCADES (Creating a Sustainable Canadian Health System in a Climate Crisis). The approach was refined through patient and provider feedback since the first playbook was published in 2021. PubMed was also searched for relevant publications on inhaler use, asthma management, and chronic obstructive pulmonary disease (COPD) management. Current asthma and COPD guidelines were also reviewed.Main MessageThere is growing acknowledgment of the substantial impact that inhalers have on climate emissions generated by the health sector. Recent surveys indicate that most Canadian patients care about climate change and would be willing to opt for less carbon-intensive treatment and care delivery options where available. Beyond inhaler choice, there are many opportunities to address the climate impacts of respiratory care and enhance quality of care. Working with patients to ensure they are using the right medications in the right ways will produce both carbon savings and better health outcomes. The climate crisis can therefore serve as a catalyst for improving treatment of patients with respiratory conditions. Family physicians may reduce carbon emissions associated with inhalers by reducing unnecessary inhaler prescribing; ensuring patients' control of asthma and COPD is optimized; considering whether a more sustainable inhaler may be appropriate; optimizing dosing technique to reduce emissions and waste; and disposing of inhalers appropriately if possible.ConclusionFamily physicians may reduce carbon emissions associated with inhalers through the following strategies: confirming diagnosis, controlling disease, considering inhaler type, optimizing dosing technique, and encouraging appropriate disposal.Copyright © 2024 the College of Family Physicians of Canada.

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