Medication Error: Any preventable event that may cause or lead to inappropriate medication use or patient harm while the medication is in the control of the healthcare professional, patient, or consumer.
Medication Administration Record (MAR): A document that records the administration of medications to a patient, including the drug name, dose, route, time, and the nurse or healthcare provider who administered it.
Medication Reconciliation: The process of comparing a patient's current medication regimen to the medications they were previously taking, with the goal of avoiding medication errors such as omissions, duplications, dosing errors, or drug interactions.