This essay provides a reflection on a clinical experience involving medication errors, highlighting the importance of medication administration as a critical nursing skill. The author recounts witnessing a nurse administering an incorrect dose to an elderly patient, emphasizing the ethical obligations of nurses to prioritize patient safety and avoid harm. The reflection delves into the potential causes of medication errors, such as insufficient knowledge and gaps in nursing education, and underscores the need for continuous skill development in drug management. The author expresses personal frustration stemming from a past experience with medication errors and advocates for improved drug management education to protect vulnerable patients. The essay also touches on the theory of deontology, which emphasizes nurses' ethical responsibilities, and concludes with actionable strategies to minimize medication errors, including collaboration, clear communication, and adherence to evidence-based guidelines. The experience reinforces the author's commitment to diligent patient care and ethical practice.