What is the definition of non-maleficence (principle of doing no harm)?

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Definition of Non-Maleficence in Medical Ethics

Non-maleficence refers to the obligation not to harm the patient, which is the correct answer (option C). This fundamental ethical principle is central to maintaining physician integrity and patient trust in healthcare settings.

Core Meaning and Historical Context

Non-maleficence is one of the four core principles of medical ethics, alongside beneficence, autonomy, and justice. The principle traces back to the Hippocratic tradition of "primum non nocere" (first, do no harm) and remains a cornerstone of medical practice today.

According to the Code of Ethics for Emergency Physicians, non-maleficence is defined as "the duty to refrain from inflicting harm" which is "at least as fundamental as the duty to benefit patients" 1. This principle is central to maintaining the physician's integrity and the patient's trust in the medical relationship.

Application of Non-Maleficence in Clinical Practice

The principle of non-maleficence requires physicians to:

  • Seek to maximize benefits while minimizing risks of harm in all treatments 1
  • Weigh anticipated benefits against potential harms in the context of patient prognosis and goals 1
  • Avoid providing treatments when risks and burdens outweigh potential benefits 1
  • Practice within one's scope of training and expertise 1
  • Protect patients from unnecessary physical and psychological harm 2

Relationship to Other Ethical Principles

Non-maleficence works in conjunction with other ethical principles:

  • With Beneficence: While beneficence directs physicians to act for the good of patients, non-maleficence establishes boundaries on those actions to prevent harm. As stated in the ESPEN guideline, "Health care personnel have the obligation to maximize potential benefits for their patients while at the same time minimizing potential harm" 1.

  • With Autonomy: Non-maleficence sometimes creates tension with patient autonomy, particularly when patients request treatments that physicians believe may cause harm. The principle helps establish that "autonomy does not mean that a patient has the right to obtain every treatment him or her wishes or requests, if this particular treatment would not be medically indicated" 1.

  • With Justice: Non-maleficence helps ensure that resources are distributed fairly without discrimination, while avoiding treatments that "only prolong the suffering or the dying phase" 1.

Practical Examples of Non-Maleficence

The principle of non-maleficence is applied in various clinical scenarios:

  • Withholding treatments when risks outweigh benefits 1
  • Discontinuing trial therapies when complications arise or desired success is not achieved 1
  • Regularly reviewing the medical justification for ongoing treatments 1
  • Avoiding practicing beyond one's training and competence 1
  • Balancing the potential for significant patient benefit against the risk of complications or side effects 1

Importance in Medical Education and Training

Non-maleficence also applies to medical training, requiring that medical students and residents perform only tasks appropriate to their level of competence and training 2. This ensures patient safety while allowing for the education of future physicians.

Historical Continuity

The principle of non-maleficence has remained consistent throughout medical history. As noted in research, "Elementary principles of Medical Ethics, namely the Nonmaleficience and Beneficence have not changed since antiquity till present" 3. This underscores the enduring importance of this principle in guiding ethical medical practice.

In summary, non-maleficence represents the physician's obligation not to harm the patient and serves as a fundamental guiding principle in medical ethics and clinical decision-making.

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Research

[Medical ethics and ethicotherapy].

Casopis lekaru ceskych, 2008

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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