What is an advance directive? Everything you want to know

Navigating Healthcare

by Dr. Robert Fine

Jun 9, 2025

It can feel overwhelming to think about what might happen if you or a loved one becomes seriously ill or injured. But planning ahead doesn’t have to be scary or sad. In fact, it’s one of the most loving things you can do for yourself and the people who care about you. That’s where an advance directive comes in, ensuring your healthcare wishes are respected, even if you’re unable to speak for yourself.

An advance directive may not be something we talk about often, but it’s an essential part of planning for the future. Below, we’ll address common questions like “what is an advance directive?” and explain why they’re so important and how to create one with confidence. 

Whether you’re just starting to think about your healthcare preferences or are ready to put them in writing, you should feel informed and at ease to take the next step, without worry.

What is an advance directive?

An advance directive is a legal document that allows you to share your healthcare preferences in case you become unable to speak or make decisions for yourself. It can also name someone you trust to make decisions on your behalf.

There are typically three main parts to an advance directive:

  1. A living will, which spells out the kinds of medical treatments you do, or do not, want if you have a terminal or irreversible illness, and are unable to express your wishes.
  2. A medical power of attorney, sometimes called a healthcare proxy, which designates someone else to make medical decisions for you if you can’t, whether you are terminally ill or not.
  3. An out-of-hospital do-not-resuscitate order, which tells emergency medical personnel not to try to restart your heart or breathing if you stop breathing or your heart stops while you’re outside of a hospital setting through the use of a defibrillator, medications, chest compressions and breathing tubes.

Clearing up 3 myths about an advance directive

Even though an advance directive is simple in concept, there’s still some confusion out there. Before we go any further, let’s first clear up three common myths about an advance directive:

Myth #1: An advance directive is only for older adults or people with serious illnesses.
Fact: Anyone over 18 should consider having an advance directive. Accidents or unexpected illnesses can happen at any age, and having a plan in place helps ensure your healthcare preferences are known and respected.

Myth #2: If I make an advance directive, I’m refusing care.
Fact: Not at all. An advance directive doesn’t always mean “do not treat.” It’s about choosing the intensity and types of treatment you do or do not want. Although the majority of people use a Living Will to let others know they do not want life-sustaining treatment if terminally ill, some people use it to say they do want all possible treatments. Others use their Living Will to outline specific situations and treatments they do or do not want in those situations.

Myth #3: Once I complete an advance directive, I can’t change it.
Fact: Your advance directive can be updated anytime. As your life circumstances, health or personal beliefs change, you can revise your directive to reflect your current wishes. Just make sure to share the updated version with your doctor and loved ones.

Why should you have an advance directive?

Think of an advance directive as a gift to yourself and to your loved ones. When tough situations arise, emotions run high and there can be confusion about what to do. Without clear guidance, family members and loved ones may struggle to guess what you would have wanted. An advance directive helps prevent confusion and disagreements. It allows your healthcare team to follow your values and preferences, and it gives the people close to you peace of mind.

Here are a few other reasons why having an advance directive is a smart move:

  • It gives you control. You get to decide what matters most when it comes to your care.
  • It reduces family stress. Making end-of-life decisions for loved ones can be incredibly stressful, twice as stressful as losing a home to a natural disaster. Having a living will can reduce that burden by one-third.
  • It helps your medical team. Doctors and nurses can provide care that aligns with what you want.

When should you create an advance directive?

The best time to make an advance directive is before you need it. Ideally, everyone over the age of 18 should consider putting one in place. Life can be unpredictable, and having a plan ensures that your voice is heard no matter what happens.

Certain life events are a great time to create or update your directive, such as:

  • Turning 18 and becoming a legal adult
  • Getting married or entering a committed partnership
  • Being diagnosed with a chronic or serious illness
  • Undergoing major surgery or medical treatment
  • Welcoming a child into your family

And remember, an advance directive isn’t set in stone. You can change it anytime as your values, beliefs or health change.

How does an advance directive support your quality of life?

An advance directive encourages you to think about potentially difficult decisions you might have to make. For instance, what does quality of life mean to you? Is the ability to interact with loved ones or live independently important to you? By thinking about how and what medical treatments you would like to receive, an advance directive can make sure your wishes are followed.

An advance directive plays a key role in supportive palliative care, a specialized medical care focused on improving the quality of life for people living with serious illness. It can help your palliative care team understand your wishes so that your treatment plan reflects your preferences. Whether it’s managing discomfort, making decisions about life-sustaining treatments or simply ensuring you’re comfortable, your advance directive serves as a roadmap for everyone involved in your care.

By making your choices clear, you allow your care team, and your loved ones, to focus on supporting you in ways that align with what you truly want. It’s not just about medical decisions, it’s about living well.

5 steps to creating an advance directive

Creating an advance directive doesn’t have to be complicated. There are many free resources and online tools available, such as MyDirectives.com, to help guide you.

Here are five steps to creating an advance directive:

  1. Think about what matters most. Consider your values and how you would want to be cared for in a serious medical situation. Would you want every possible life-saving measure if they couldn’t restore your quality of life? Would you want to live indefinitely on machines or other life support? Are there treatments you would prefer to avoid no matter the circumstance?
  2. Choose a healthcare proxy. If you can’t make decisions for yourself, Texas law designates a decision maker for you, starting with your spouse (if you’re married), followed by your adult children, parents or a nearest living adult relative, and finally, two physicians. If you don’t want to follow that pattern, choosing a health care proxy is essential. Pick someone you trust to make medical decisions on your behalf. Talk with them about your wishes to ensure they're aligned and willing, since making life-and-death decisions for someone else can be incredibly stressful.
  3. Fill out the forms. Many states have their own advance directive forms, which you can often find online or through your doctor’s office. You don’t need a lawyer, but you may need witnesses or a notary to make the document official. Texas (and most other states) recognize advance directives from other states.
  4. Share your plan. Give copies of your advance directive to your doctor, your proxy and any close family members you want to be in the know. Make sure they know where to find it in an emergency.
  5. Review it regularly. Check in with your advance directive every few years, or anytime your health or life circumstances change.

An advance directive helps make healthcare decisions easier

Planning ahead doesn’t mean you’re giving up or expecting the worst. In fact, it’s just the opposite. Having an advance directive is a way to advocate for yourself in order to make sure your healthcare reflects your values and priorities. An advance directive creates clarity, comfort and connection, even in the most difficult times.

So, if you’ve ever asked yourself, “What is an advance directive and do I really need one?” now you know. It’s a simple but meaningful act that puts you in charge of your care. While creating an advance directive might feel like a big step, it’s one of the kindest things you can do for yourself and your loved ones. Start by having a conversation. Ask questions. Think about what matters most. Then put it in writing.

Still have questions about an advance directive? Baylor Scott & White has prepared a guide to Advance Care Planning to help you plan for the unexpected. You can also connect with your healthcare provider or find a doctor here.

About the Author

Dr. Fine is the Clinical Director of the Office of Clinical Ethics and Palliative Care for Baylor Health Care System.

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