“…Within this context, medication error can be defined as an avoidable event induced by inappropriate medication use (2) . Throughout history, there is a record of professionals who contributed to patient safety, such as the English nurse Florence Nightingale, who distinguished herself by contributing to the reduction of mortality through hygiene improvements, contributing to a good quality of care provided to soldiers in the 18th century during the Crimean War (3) . In this scenario, it is important to understand the impact of the publication of the report To Err is Human: Building a Safer Health System Institute of Medicine of the United States of America (USA), published in 2000, alerting society about adverse events in hospital institutions, in addition to presenting epidemiological studies that estimated that 44,000 to 98,000 deaths occur annually in the country due to errors in health care (4) .…”