What Are the Principles of Veterinary Medical Ethics?

The Principles of Veterinary Medical Ethics are the professional conduct standards published by the American Veterinary Medical Association that govern how veterinarians treat patients, communicate with clients, handle records, manage money, and deal with colleagues. The principles themselves are not federal law, but state licensing boards use them as the template for enforceable regulations and as the yardstick for misconduct complaints.¹ A veterinarian who violates them can face fines, probation, suspension, or revocation of their license.

Duty to the Patient and to Public Health

A veterinarian’s first obligation is competent medical care aimed at protecting animal health and relieving suffering, grounded in current peer-reviewed science rather than habit or preference.² That duty extends past the individual animal. Veterinarians watch for diseases that pass between animals and people, such as rabies and brucellosis, and monitor food safety in commercial livestock operations.

Reporting obligations follow from that public health role. A veterinarian who notices signs of a reportable disease like avian influenza must notify public health authorities even when the client would rather keep it quiet. Failing to report, or filing a knowingly false report, is listed as grounds for disciplinary action under the AVMA Model Veterinary Practice Act.¹

The Veterinarian-Client-Patient Relationship

Most of the other ethical duties only switch on when a veterinarian-client-patient relationship (VCPR) exists. A VCPR has three elements: the veterinarian has accepted responsibility for medical decisions about the animal, the client has agreed to follow instructions, and the veterinarian has recently examined the animal in person or made medically appropriate visits to where the animal is kept.³

Without that hands-on element, the relationship doesn’t exist. A phone call to a veterinarian who has never seen your dog is not a VCPR. Neither is a one-time visit from years ago. The requirement has teeth: federal rules bar a veterinarian from prescribing extralabel drug use without a valid VCPR in place.³

Once a VCPR is established and treatment is underway, the veterinarian cannot simply walk away. The principles require continuing services related to the condition within the limits previously agreed with the client.⁴ Dropping a patient mid-treatment without notice or a transition plan is treated as abandonment and can draw board complaints and civil liability. The relationship can be ended with proper notice to the client, but only if the animal doesn’t have an immediate life-threatening condition; if it does, the veterinarian must keep providing care until the client has moved to another provider.⁵ The VCPR also lapses on its own if the client stops bringing the animal in for recommended visits.

Informed Consent and Estimates

Before performing a procedure or starting a treatment plan, the veterinarian is expected to obtain informed consent. Under the principles that means sharing the clinical findings, recommended tests and treatments, the prognosis, the risks, and an estimate of costs.⁶ If the plan changes mid-course and new costs appear, the veterinarian and client should discuss the revised approach and agree on how to proceed before going further.

A written estimate is not required in every state, but it creates the clearest record that the client understood the price and the expected outcome. For surgery, hospitalization, or euthanasia, documenting the consent conversation in the medical record carries particular weight if a complaint is later filed.

Confidentiality of Records

Veterinary medical records are confidential. The principles prohibit releasing record information unless the law requires it or the client consents.⁴ That protects pet owners’ personal information and the proprietary herd data of livestock producers.

The exceptions are narrow. Records can be released in response to a court order or subpoena, when a regulatory or public health authority compels disclosure, or when protecting the health of other people or animals requires it.⁷ Reporting a suspected communicable disease to public health falls under that last category. Discussing a client’s animal with a friend, handing records to a breeder who isn’t the owner, or posting case details on social media without consent all cross the line. Unauthorized disclosure can bring board-imposed fines and civil lawsuits for breach of confidentiality.

Emergency Care

When an animal is physically presented in extreme pain, severe distress, or immediate danger of dying, the veterinarian has an ethical responsibility to provide care even before formal client authorization if no owner is present. That care can be limited to stabilizing the animal for transport elsewhere or performing euthanasia to end the suffering.⁴

The principles do not force every veterinarian to handle every emergency. A veterinarian who lacks the expertise or resources for a particular crisis is expected to say so honestly and make a reasonable effort to refer the owner elsewhere.² When a practice is closed, it should make after-hours information easy to find, such as posted contact details for a nearby emergency clinic. Emergency providers are expected to send records back to the animal’s regular veterinarian once the crisis passes.

Telemedicine Limits

Telehealth has grown quickly, and the ethical boundaries are tighter than many pet owners realize. The AVMA position is that telemedicine, meaning remote diagnosis, prescribing, and treatment by phone or video, should take place only inside an existing VCPR. The relationship itself should be established through an in-person physical examination or a premises visit before any virtual follow-up.⁸

Without a VCPR, a veterinarian can provide general health advice and educational information but cannot diagnose, prescribe for, or treat a specific animal. The one carve-out is a life-threatening emergency where telemedicine guidance bridges the gap until the animal can be seen in person.⁹ A handful of states allow a VCPR to be established electronically, but both the AVMA model act and the federal VCPR definition start from a physical exam or premises visit.¹⁰

Euthanasia

The AVMA defines euthanasia as ending an animal’s life in a way that eliminates or minimizes pain and distress. It is considered appropriate when an animal is suffering from a disease that produces insurmountable pain, or when continued life no longer has positive value for the animal as judged by the veterinarian and owner together.¹¹

Convenience euthanasia, where an owner asks that a healthy animal be put down because they can no longer keep it, sits in more complicated territory. The guidelines cast the veterinarian as both advisor and animal advocate, expected to speak frankly about the animal’s condition and suggest alternatives.¹¹ They stop short of granting a blanket right to refuse, but they recognize that different veterinarians hold different personal ethical values on the question and that those values legitimately shape recommendations.

When euthanasia does proceed, owners should be told what to expect, including any unpleasant side effects of the process, and offered the chance to be present. Emotional support for the owner is treated as part of the veterinarian’s responsibility rather than an optional courtesy.

Financial Conflicts, Referrals, and Advertising

Money creates the most persistent ethical pressure in veterinary practice, and the principles address it directly. Veterinarians should not accept or offer any financial incentive solely for referring a patient. The ban on fee-splitting exists so that referral decisions respond to the animal’s medical needs rather than to who is paying a kickback.⁶

Vendor incentive programs, where a drug or equipment supplier rewards the veterinarian for prescribing its products, are not outright banned but are treated with suspicion. Veterinarians are told to consider whether participation creates a conflict of interest or the appearance of one. Product endorsements and testimonials require full public disclosure of any compensation, including ownership stakes.⁶ The governing standard is that nothing other than the patient’s welfare, the client’s needs, and public safety should drive treatment decisions.

Advertising follows the same honesty rule. It can contain no false, deceptive, or misleading statements, and that includes material omissions that leave a false impression. An endorsing veterinarian must actually use the product, the advertised results must be representative, and any financial relationship with the seller must be disclosed. False or misleading advertising is a separately listed ground for license discipline under the Model Veterinary Practice Act.¹ The most common violations involve claiming board-certified specialty status the veterinarian doesn’t hold or advertising guaranteed outcomes for treatments that carry inherent risk.

Reporting Impaired or Incompetent Colleagues

The principles put an affirmative duty on veterinarians to report colleagues who endanger patient health or safety or who are deficient in character or competence, taking the report to the appropriate regulatory body.² They also encourage reaching out to impaired colleagues directly and urging them to get help for substance abuse or other issues affecting their ability to practice.

The duty exists because the licensing system depends on self-policing. Clients rarely have the medical knowledge to recognize incompetent care, so the profession relies on peers to flag problems. In some states, a veterinarian who knows about serious misconduct and stays silent can face their own disciplinary review.

What a Violation Costs

Enforcement sits with the state licensing board. The AVMA Model Veterinary Practice Act lists more than a dozen grounds for discipline, including incompetence or gross negligence, fraud in obtaining a license, drug law violations, animal cruelty convictions, false advertising, failure to maintain sanitary premises, and knowingly aiding the unlicensed practice of veterinary medicine.¹ Drug law violations in particular are among the most common triggers, and the DEA can conduct unannounced inspections to verify recordkeeping, storage, and dispensing compliance.¹²

Boards have broad discretion in choosing a penalty:

Revocation, meaning permanent loss of the right to practice.
Suspension, a temporary loss often conditioned on additional training or treatment before reinstatement.
Probation, under which the veterinarian keeps practicing with heightened oversight and specific restrictions.
Fines, which vary widely by state and violation.
Reprimand or censure, a formal written finding that becomes part of the public record.

In urgent cases where a veterinarian poses a clear and immediate danger, boards can issue a summary suspension before a full hearing takes place. The usual process begins with a written complaint, moves through investigation and a probable-cause determination, and reaches a formal hearing if the evidence warrants one. The veterinarian has the right to present evidence and respond to the charges before the board makes a final decision.

One boundary worth naming: a bad outcome does not by itself prove an ethics violation or malpractice. Courts measure a veterinarian against the skill and diligence of an average, reasonably competent peer, not against perfection, and establishing that the standard was breached generally requires expert testimony from another veterinarian.

1
American Veterinary Medical Association. Model Veterinary Practice Act
2
American Veterinary Medical Association. Principles of Veterinary Medical Ethics
3
eCFR. 21 CFR Part 530 Extralabel Drug Use in Animals
4
American Veterinary Medical Association. Principles of Veterinary Medical Ethics
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American Veterinary Medical Association. The Veterinarian-Client-Patient Relationship
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American Veterinary Medical Association. Principles of Veterinary Medical Ethics of the AVMA
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American Association of Veterinary State Boards. 2025 Model Regulations Medical Recordkeeping
8
American Veterinary Medical Association. Telehealth Including Telemedicine
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American Veterinary Medical Association. Telehealth and the VCPR
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Federal Register. Enforcement Policy Regarding Federal Veterinarian-Client-Patient Relationship Requirements
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American Veterinary Medical Association. AVMA Guidelines for the Euthanasia of Animals 2020 Edition
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American Veterinary Medical Association. Pharmacy and Prescription Issues