The FDA has approved three medications for opioid use disorder: buprenorphine, methadone, and naltrexone. Suboxone is a brand that combines buprenorphine with naloxone. Vivitrol is a long-acting form of naltrexone. Each works differently, and the right fit depends on your history, your goals, and your daily life.

We use these medications the way SAMHSA and ASAM recommend: paired with counseling and steady support. Medication reduces cravings and calms withdrawal. Therapy addresses the patterns underneath. Together they give people near Princeton, NJ a real footing to build on.

Here is the short version. Buprenorphine and methadone act on the same brain receptors as opioids, but in a controlled way that steadies the body. Naltrexone blocks those receptors entirely, so opioids stop producing a high. Below we break down how each one works and how you can start.

How does buprenorphine (Suboxone) work?

Buprenorphine is a partial opioid agonist. It attaches to the same receptors opioids use, but it activates them only partway. That means it eases cravings and withdrawal without the full effect of stronger opioids. According to SAMHSA, this partial action also creates a ceiling, so the effect levels off at higher doses.

Suboxone adds naloxone to discourage misuse. Taken as directed, the buprenorphine does the work. If someone tries to inject it, the naloxone triggers withdrawal instead. That built-in safeguard is one reason many prescribers favor it.

We start buprenorphine only after early withdrawal begins. Starting too soon can push someone into sudden, sharp withdrawal. Timing matters, and we walk you through it step by step. Once you are stable, dosing usually becomes a simple daily routine you can manage at home.

Buprenorphine can be prescribed in office-based settings now, which makes it accessible for working people and families. You do not need a daily clinic visit. That flexibility helps many people stay in treatment longer.

How does methadone work, and how is it different?

Methadone is a full opioid agonist. It fully activates opioid receptors at the prescribed dose, which relieves cravings and prevents withdrawal for people with a longer or heavier opioid history. NIDA notes methadone has decades of evidence behind it for opioid use disorder.

The main difference is where you get it. Methadone for addiction is dispensed through licensed opioid treatment programs, not a regular pharmacy. Early in treatment that often means daily visits. Some people value the structure. Others need more flexibility, and buprenorphine fits their schedule better.

There is no single best medication. The right choice depends on your tolerance, your past attempts at treatment, and what your day actually looks like. We talk through all of it before deciding together.

How does naltrexone (Vivitrol) work?

Naltrexone is an opioid antagonist. It blocks opioid receptors completely. If you use an opioid while on it, you feel nothing. There is no craving relief from opioids and no high, which removes the reward that drives continued use.

Vivitrol is the extended-release injection given once a month. That schedule appeals to people who want fewer decisions between visits. It also contains no opioid, so there is nothing to taper off later.

The catch is timing. You must be fully detoxed before starting naltrexone, usually seven to ten days opioid-free depending on the drug. Starting too early causes withdrawal. Because of this, some people begin with detox support first, then transition to Vivitrol once their system is clear.

For people who have completed withdrawal and want a non-opioid option, naltrexone can be a strong choice. It pairs well with counseling and structured aftercare.

How do Princeton-area patients start MAT?

Starting begins with an honest assessment. We look at your opioid history, any other substances involved, your health, and your goals. From there we recommend a medication and a plan for counseling. Nothing is one-size-fits-all.

Cost is usually less of a barrier than people expect. Many plans cover MAT, and we can verify your insurance benefits before you commit to anything. Knowing the numbers up front makes the first step easier.

Support outside the clinic matters too. A stable place to live protects early progress. For some people, sober living provides the routine and accountability that make medication and therapy stick. We help you think through what your home environment needs.

If you want the clinical background before you call, the NIH overview of Opioid Abuse and Addiction is a clear, plain-language place to read more. For national context on how widespread opioid use has become, NIDA keeps current Drug Use Trends & Statistics.

What about newer and emerging treatments?

The three FDA-approved medications remain the standard, and for good reason. But research continues. New formulations, longer-acting injectables, and combined care models are being studied all the time.

If you are curious about studies underway, you can browse Substance Use Disorder Clinical Trials through the NIH registry. It is a useful window into where the field is heading. For now, our focus stays on treatments with proven results and a track record you can rely on.

Whatever the future holds, the core idea stays the same. Medication steadies the body. Counseling changes the patterns. Consistent support keeps people moving forward. That combination is what we build every plan around.

Frequently Asked Questions

How long do I need to stay on MAT?

There is no fixed timeline. Some people stay on medication for months, others for years. SAMHSA supports keeping medication in place as long as it helps and never stopping abruptly. We review your progress regularly and adjust only when you are ready.

Will MAT just replace one addiction with another?

No. When taken as prescribed, buprenorphine and methadone are stable, controlled doses that do not produce a high or drive the cycle of misuse. Naltrexone contains no opioid at all. ASAM and NIDA classify these as treatments for a medical condition, not a swap of one drug for another.

Can I do MAT while working or caring for my family?

Yes, and many of our patients do. Office-based buprenorphine and monthly Vivitrol are built for busy lives. We work with your schedule so treatment fits around your responsibilities instead of taking them over.

You do not have to sort this out alone. Call us at (609) 422-9370 and we will answer the questions specific to your situation, then help you take the first step.