09/10/2026
People may be intentionally or unintentionally non-adherent. Up to 50% of all people prescribed medication for chronic illness do not take their medication as prescribed (NICE, 2009), although most people are partially adherent. Problems with medication adherence manifest in several ways from outright refusal to covert disposal.
Many factors affect adherence, check out this figure from Fundamentals of Acute Mental Health Nursing to learn more.