Definition of MER

Learn about Medication Error Reporting (MER) and its importance in patient safety. Discover examples, case studies, and statistics on medication errors.


Medication Error Reporting (MER) is a crucial aspect of patient safety in the healthcare industry. It involves identifying and reporting any mistakes or errors made during the administration, prescription, or dispensing of medication. MER helps in identifying areas of improvement and preventing future errors.

Importance of MER

Reporting medication errors is essential to ensure the safety and well-being of patients. It helps in identifying the root causes of errors, analyzing trends, and implementing necessary changes to prevent future occurrences. MER also promotes a culture of transparency and accountability within healthcare facilities.

Examples of Medication Errors

  • Administering the wrong medication to a patient
  • Prescribing the incorrect dosage of a medication
  • Dispensing expired or contaminated medication
  • Mislabeling medication containers

Case Studies

In a study conducted at a major hospital, it was found that 15% of all medication errors were due to human factors such as distractions and fatigue. By implementing a MER system and addressing these root causes, the hospital was able to reduce medication errors by 50% within a year.

Statistics on MER

According to the Institute for Safe Medication Practices, medication errors harm an estimated 1.5 million people in the United States each year. Additionally, these errors cost the healthcare system billions of dollars annually in preventable healthcare costs.


Medication Error Reporting is vital for improving patient safety and reducing the incidence of preventable harm. By implementing robust MER systems, healthcare facilities can enhance the quality of care provided to patients and create a culture of learning and continuous improvement.

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