How Long Does Suboxone Stay in Your System?

• Medication-Assisted Treatment, Opioid Dependence

Medically reviewed by Dr. Jawaun Lewis. Last reviewed: November 13, 2026.

Maybe you’re thinking about tapering off Suboxone. Maybe you missed a dose and you’re wondering when withdrawal might start. Or maybe a drug screen is coming up and you want to understand what it will show. Whatever the reason, the question is the same: how long does Suboxone stay in your system? The answer depends on your dose, how long you’ve been taking it, your liver health, and the kind of test used.

Suboxone is a powerful tool for recovery from opioid use disorder. Understanding how it works in your body can help you make safer decisions about your treatment. At Outpatient Detox Near Me in Bartlett, Tennessee, our medical team helps people manage opioid withdrawal and supports provider-guided Suboxone tapering. Schedule a confidential assessment today.

Learn more about our outpatient opioid detox in Tennessee or verify your insurance now.

Key takeaways

• Buprenorphine, Suboxone’s main ingredient, has a half-life of 24 to 42 hours, so it clears slowly.

• Urine tests can detect buprenorphine and its main byproduct for up to about 7 days.

• Withdrawal usually doesn’t start right away, because the medication leaves the body slowly.

• Stopping on your own carries real risks. Plan any taper with your prescriber.

• Mixing Suboxone with benzodiazepines, alcohol or other sedatives can be life-threatening.

How Long Does Suboxone Stay in Your System? The Short Answer

Suboxone stays in your body longer than many opioids. That’s part of why it works so well for treatment. Buprenorphine, its main ingredient, has a mean elimination half-life of 24 to 42 hours, according to the FDA label.

| Measure | General figure

| Buprenorphine half-life | 24 to 42 hours

| Naloxone half-life | About 2 to 12 hours

| Urine test detection | Up to about 7 days for buprenorphine and its main byproduct

| When withdrawal usually starts | Often a day or two after the last dose, not within hours

The exact window depends on your dose, how often you take it and how your body processes it. These are general ranges, not guarantees. Everyone’s body is different.

What Is Suboxone and How Does It Work?

Suboxone is a prescription medication for opioid use disorder. It comes as a film or tablet that dissolves under the tongue or inside the cheek. It contains two medications.

| Ingredient | What it does

| Buprenorphine | A partial opioid agonist. It eases cravings and withdrawal symptoms without producing the same high as full opioids.

| Naloxone | An opioid blocker. It’s included to discourage misuse, such as injecting the medication.

The Substance Abuse and Mental Health Services Administration (SAMHSA) lists buprenorphine among the FDA-approved medications for opioid use disorder, used alongside counseling and other support. Suboxone isn’t “trading one drug for another.” It’s a medical treatment that helps people stabilize and rebuild their lives. Learn more about medication-assisted treatment and addiction medication.

Understanding Suboxone’s Half-Life

A drug’s half-life is how long it takes your body to remove half of it from your bloodstream. The longer the half-life, the longer the drug lingers.

Suboxone’s two ingredients leave your body at very different speeds. According to the FDA, when Suboxone film is taken under the tongue or in the cheek, buprenorphine has a half-life of 24 to 42 hours, while naloxone’s ranges from about 2 to 12 hours.

That long buprenorphine half-life has real benefits. It’s why most people can take Suboxone once a day. It also means it takes several days for your body to clear most of the medication after your last dose.

Your body breaks down buprenorphine mainly in the liver. It is metabolized primarily by the CYP3A4 enzyme. That detail matters, because other medications that affect this enzyme can change how long Suboxone stays in your system. The FDA label advises monitoring patients who start or stop CYP3A4 inhibitors or inducers.

How Long Suboxone Shows Up on Drug Tests

Urine testing is the most common way buprenorphine is checked, especially in addiction treatment programs. Providers often test to confirm a patient is taking their medication as prescribed.

Mayo Clinic Laboratories lists approximate urine detection times of up to 7 days for both buprenorphine and norbuprenorphine, its main byproduct. Mayo also notes that the actual window depends on dose, how often the drug is used and individual metabolism.

| Keep in mind | Why it matters

| Tell the tester about your prescription | If you take Suboxone as prescribed, let the testing provider or medical review officer know. A prescribed medication is not the same as illicit drug use.

| Not every test looks for it | Some drug panels don’t include buprenorphine unless it’s specifically ordered.

| Longer use can mean longer detection | Taking Suboxone daily over time can extend how long it shows up.

The goal of testing in treatment is safety and support, not punishment. If you have questions about a test, talk openly with your prescriber.

What Affects How Long Suboxone Stays in Your System?

No two people clear Suboxone at exactly the same rate. Several factors can shorten or lengthen the timeline.

| Factor | How it matters

| Dose | Higher daily doses generally take longer to clear.

| How long you’ve been taking it | Steady daily use builds up levels in the body over time.

| Liver health | Because the liver breaks down buprenorphine, liver problems can slow this process. The FDA label notes that buprenorphine and naloxone levels can be higher in people with moderate to severe liver impairment.

| Other medications | Drugs that block or speed up the CYP3A4 enzyme can change how quickly buprenorphine is processed. Always share your full medication list with your provider.

| Age and overall health | Metabolism and organ function can vary with age and health conditions.

When Do Suboxone Withdrawal Symptoms Start?

Because buprenorphine leaves the body slowly, withdrawal usually doesn’t begin right away. Most people notice symptoms starting a day or two after their last dose, rather than within hours.

| Type | Common symptoms

| Physical | Body aches, headaches, chills, sweating, nausea, vomiting and diarrhea

| Sleep | Insomnia and low energy

| Emotional | Anxiety, irritability, low mood and moodiness

| Cravings | Strong urges to use opioids

Symptoms often peak within the first week and ease over the following weeks. Some people notice lingering low mood or cravings for longer. Learn more about the Suboxone withdrawal timeline and what to expect, or read about opioid withdrawal in general.

Why You Shouldn’t Stop Suboxone on Your Own

It can be tempting to stop Suboxone suddenly, especially if you feel stable. But stopping without a plan carries real risks.

While you’re taking Suboxone, your tolerance to opioids drops. If you stop and then use opioids again, even an amount you used to take can be dangerous. A study in the American Journal of Psychiatry followed Medicaid patients for six months after they stopped buprenorphine. About 5% had at least one medically treated overdose, and nearly half visited an emergency department. Overdose risk did not differ by how long people had been in treatment.

That doesn’t mean you have to stay on Suboxone forever. Many people taper off successfully. Long-term treatment is also a safe and valid choice for many people. The key is making the decision with your provider and tapering slowly, with support.

Safety Risks While Suboxone Is in Your System

Because Suboxone stays in your body for days, it can interact with other substances long after your last dose. The FDA warns that life-threatening respiratory depression and death have occurred with buprenorphine use, especially when it’s combined with benzodiazepines or other central nervous system depressants.

| Substance | Why it’s risky with Suboxone

| Benzodiazepines (Xanax, Valium, Klonopin) | Can slow breathing further. See our benzo detox page.

| Alcohol | Also slows breathing. Learn how long alcohol stays in your system.

| Sleep medications and sedatives | Including some prescription sleep aids.

| Other opioids | Can increase overdose risk, especially as Suboxone wears off.

If you take any of these, talk with your prescriber. Don’t stop a prescribed medication on your own, either. Your care team can help you manage both safely.

In an emergency: if someone is very sleepy, hard to wake, or breathing slowly or not at all, call 911 right away. For free, confidential treatment referrals, call the SAMHSA National Helpline at 1-800-662-4357. If you are in crisis, call or text the 988 Suicide & Crisis Lifeline.

Getting Help With Suboxone and Opioid Withdrawal in Tennessee

Whether you’re ready to taper off Suboxone, struggling with opioid use, or not sure what comes next, you don’t have to figure it out alone.

At Outpatient Detox Near Me, every patient starts with a medical assessment. Our team reviews what you’ve been taking, how long, and how past withdrawals have gone. If withdrawal can be safely managed with daily monitoring, you can detox while sleeping in your own bed. If you need a higher level of care, we’ll tell you and help you get placed.

| Service | What it is

| Outpatient Detox | Daily visits for vital signs, symptom checks and medication adjustments, with your nights at home.

| Opioid Detox | Medically supervised withdrawal management for prescription opioids and other opioids.

| Fentanyl Detox | Support for withdrawal from fentanyl, which is common in today’s drug supply.

| Heroin Detox | Medical care to manage heroin withdrawal safely.

| Cognitive-Behavioral Therapy (CBT) | Helps you recognize and change the thoughts and patterns behind substance use.

| Dialectical Behavioral Therapy (DBT) | Builds skills for handling stress, cravings and strong emotions.

Detox is the first step, not the whole journey. Before you finish, we build a continuing care plan and schedule your next appointment.

Contact Us For Support

Understanding how Suboxone works in your body is an important part of taking charge of your recovery. Whether you’re thinking about tapering, worried about withdrawal, or ready to start treatment, our team is here to help.

Our Bartlett clinic is about 10 minutes from downtown Memphis. We can typically complete a phone screening and schedule your assessment within 24 hours. Call us now at (866) 655-2113. You can also verify your insurance now and take the first step toward a safer recovery.

Sources

1. U.S. Food and Drug Administration. Suboxone (buprenorphine and naloxone) sublingual film: prescribing information.

2. Mayo Clinic Laboratories. Buprenorphine: drug book.

3. SAMHSA. Treatment options for substance use disorder. National Helpline.

4. Williams AR, Samples H, Crystal S, Olfson M. Acute care, prescription opioid use, and overdose following discontinuation of long-term buprenorphine treatment for opioid use disorder. American Journal of Psychiatry, 2020.

5. 988 Suicide & Crisis Lifeline. 988lifeline.org.

This content was medically reviewed by Dr. Jawaun Lewis on November 13, 2026. It is for educational purposes and is not a substitute for medical advice, diagnosis or treatment.