• Primary Health Care

When weighing up which inhaler to prescribe, a doctor may prioritise a patient’s preferences over the expected harms from the associated carbon emissions. Parker argues that this is wrong.1 Doctors have a pro-tanto duty to switch from a high-carbon metered-dose inhaler (MDI) to a low-carbon dry-powdered inhaler (DPI)—even though this provides no direct patient benefit—unless switching would undermine trust or significantly worsen a patient’s health. He goes on to state that even if DPIs are more expensive for the National Health Service (NHS) then this is justified so long as it does not ‘significantly threaten’ the NHS’ ability to protect and promote health. This may appear to be a radical proposal, challenging the ethical principles of autonomy, health entitlements and justly distributed resources. However, we will claim that it is only radical in so far as one perceives (A) patient autonomy and healthcare entitlements as existing within a vacuum, unrelated to other foundational ethics concerns and (B) the health consequences of a given healthcare budget are limited solely to the designated recipients rather than all affected parties. Here, we test the claim that our responsibility for promoting patient autonomy …