Is the ‘blue’ colour convention for inhaled reliever medications important? A UK-based survey of healthcare professionals and patients with airways disease

In many countries, short-acting β 2 -agonist inhalers have traditionally been coloured blue. This inhaled therapy has also conventionally been known as a ‘reliever’ by patients and healthcare professionals (HCPs), in comparison with ‘preventer’ medications (inhaled steroids). With the rapidly changing market in inhaled therapy for COPD and asthma and growing numbers of devices, there has been some concern that the erosion of traditional colour...