Medication Adherence occurs when patients take their medications as prescribed, and can also be described as the correspondence between drug administration and the actual history of the prescribed regimen.
Medication non-adherence is a worldwide challenge resulting in wasted resources, productivity losses, and poorer quality of life for patients. Whether patients choose not to take their medications as prescribed or they simply forget, non-adherence is a multifactorial problem requiring a multifaceted solution. According to the World Health Organization, medication non-adherence can mostly be attributed to 5 broad categorizations.