Many adults, particularly those with chronic diseases, do not take the medications they are prescribed.1 Poor adherence to inhaled controller medications is particularly common among patients with asthma and chronic obstructive pulmonary disease (COPD). Twenty five percent of first prescriptions are not dispensed,2 and for ongoing treatment, adherence, when inhaler use is monitored, averages only between 25% and 50% of the prescribed dose.3,4 Poor inhaler adherence is associated with ineffective symptom control, increased exacerbations, and risk of death. Poor adherence may be intentional, unintentional, or a combination of both; each has different determinants.2 Detecting inadequate adherence is therefore only a starting point, but an indispensable one.
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Hew M, Reddel HK. Integrated Adherence Monitoring for Inhaler Medications. JAMA. Published online March 01, 2019321(11):1045–1046. doi:10.1001/jama.2019.1289
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