Sublocade vs Suboxone: What are the Differences?

Opioid addiction affects millions of people across the United States, and medications can play an important role in helping individuals stabilize and begin recovery. Two commonly prescribed medications used in medication-assisted treatment (MAT) are Suboxone and Sublocade. Both contain buprenorphine and are designed to help reduce opioid cravings, manage withdrawal symptoms, and support long-term treatment for opioid use disorder.

While these medications work in similar ways, they are used differently. Suboxone is typically taken as a daily medication, while Sublocade is given as a long-acting monthly injection by a healthcare provider. 

In this guide, we’ll break down Sublocade vs Suboxone, how each medication works, their key differences, and how they fit into a comprehensive opioid addiction treatment plan.

What is Sublocade?

Sublocade is a long-acting prescription medication used to treat opioid use disorder (OUD). It contains buprenorphine, a medication that helps reduce opioid cravings and withdrawal symptoms. Sublocade is given as a once-monthly injection by a medical provider, which slowly releases buprenorphine into the body over time.

Because Sublocade is long-acting, patients do not need to take a daily medication. This can be helpful for people who want a consistent level of medication in their system without worrying about missing doses.

Common Sublocade side effects may include:

• Injection site pain
• Injection site swelling
• Injection site redness or itching
• Nausea
• Vomiting
• Constipation
• Headache
• Fatigue
• Drowsiness
• Dizziness
• Increased liver enzymes

Sublocade is typically used after someone has already started treatment with a daily buprenorphine medication like Suboxone. Once a person is stable, a doctor may transition them to Sublocade for longer-term maintenance.

Because the medication is administered in a clinical setting, Sublocade can also help reduce the risk of misuse while providing steady support during recovery.

What is Suboxone?

Suboxone is another medication commonly used to treat opioid addiction as part of a medication-assisted treatment (MAT) program. It contains two ingredients: buprenorphine and naloxone.

Buprenorphine helps reduce opioid cravings and withdrawal symptoms, while naloxone helps discourage misuse of the medication.

Suboxone is usually taken once a day as a sublingual film or tablet, which dissolves under the tongue. Because it is taken daily, Suboxone allows doctors to adjust the dose as a person stabilizes in recovery.

Common Suboxone side effects may include:

• Headache
• Nausea
• Vomiting
• Constipation
• Sweating
• Insomnia
• Mouth numbness or irritation
• Dizziness
• Fatigue
• Dry mouth
• Blurred vision
• Increased liver enzymes

People can start taking Suboxone 24-48 hours after their last dose of opioids. Taking Suboxone too early can result in an adverse effect called precipitated withdrawal, leading to even more severe withdrawal symptoms.

How Buprenorphine Works

Both Sublocade and Suboxone contain buprenorphine, the key medication that helps treat opioid use disorder.

Buprenorphine works by attaching to the same opioid receptors in the brain that drugs like heroin, oxycodone, or fentanyl affect. However, it activates these receptors much more gently than full opioids.

This produces several important effects that support recovery:

• Reduces cravings for opioids
• Relieves withdrawal symptoms
• Blocks the effects of other opioids

Because buprenorphine only partially activates opioid receptors, it helps stabilize the brain without creating the intense high associated with opioid drugs. This makes it possible for people in recovery to feel normal and function in daily life.

Buprenorphine is widely used in medication-assisted treatment (MAT) programs because research shows it can improve treatment retention and reduce the risk of overdose.

When combined with therapy, counseling, and support services, medications like Suboxone and Sublocade can play an important role in long-term recovery from opioid addiction.

Suboxone vs Sublocade: Comparing Medications

Method of Administration

One of the biggest differences between Suboxone and Sublocade is how the medications are taken.

Suboxone is typically taken once per day as a sublingual film or tablet that dissolves under the tongue. Patients usually take it at home after receiving a prescription from their doctor.

Sublocade, on the other hand, is given as a monthly injection by a healthcare provider. The medication forms a small deposit under the skin that slowly releases buprenorphine throughout the month.

For some people, daily medication works well because it allows for flexibility and dose adjustments. Others prefer Sublocade because the once-monthly injection removes the need to remember a daily dose.

Dosing Schedule

Suboxone must be taken every day to maintain stable levels of buprenorphine in the body. Missing doses can lead to cravings or withdrawal symptoms returning.

Sublocade is administered once every 28 days, providing a steady release of medication throughout the month. Because the medication remains active in the body for weeks, it can help maintain consistent treatment coverage.

The choice between daily dosing and monthly injections often depends on a patient’s lifestyle, treatment plan, and stage of recovery.

Risk of Misuse

Both medications are designed to help people recover from opioid use disorder, but they differ in their potential for misuse.

Suboxone contains naloxone, which discourages misuse by blocking opioid effects if the medication is injected. However, because it is taken at home, there is still a small risk of misuse or diversion.

Sublocade has a lower risk of misuse because it is administered by a medical professional and cannot be removed once injected. The medication slowly releases over time, which helps prevent tampering.

For some treatment programs, this controlled administration can add an extra layer of safety.

Treatment Flexibility

Suboxone offers more flexibility when it comes to adjusting doses. Doctors can increase or decrease the amount of medication relatively easily as a patient’s needs change.

With Sublocade, dosing adjustments happen monthly, since the medication is delivered through an injection that lasts for several weeks.

Because of this, many patients start treatment with Suboxone first. Once they become stable on buprenorphine, a doctor may recommend transitioning to Sublocade for longer-term maintenance.

Cost and Accessibility

Suboxone is widely available and is often covered by insurance plans, including Medicaid. Generic versions are also available, which may reduce out-of-pocket costs.

Sublocade is typically more expensive because it is a long-acting injectable medication administered in a clinical setting. Insurance coverage varies, and some treatment programs may require prior authorization.

For many people, a healthcare provider will help determine which option is most affordable and appropriate for their treatment plan.

How To Know If Suboxone or Sublocade is Right For You

Choosing between Suboxone and Sublocade depends on several factors, including your treatment history, lifestyle, and recovery goals. Both medications contain buprenorphine and are commonly used in medication-assisted treatment (MAT) for opioid use disorder, but they work in slightly different ways.

For many people, Suboxone is the starting point for treatment. Because it is taken daily, doctors can adjust the dosage as needed while a person stabilizes in early recovery. This flexibility can be helpful when managing withdrawal symptoms and cravings during the first stages of treatment.

Sublocade may be recommended after someone has already stabilized on buprenorphine, often through Suboxone. Since it is given as a once-monthly injection, it provides a steady level of medication without requiring a daily dose. Some patients prefer this option because it removes the need to remember medication every day.

Your doctor or addiction treatment provider will consider several things when deciding which medication may be the best fit, including:

• Your stage of recovery
• Whether you prefer a daily medication or a monthly injection
• Your medical history and overall health
• Your risk of relapse
• Insurance coverage and treatment costs

The most important step is speaking with a qualified addiction treatment provider who can evaluate your needs and develop a personalized treatment plan.

Which Medication Is More Effective for Opioid Use Disorder?

When comparing Sublocade vs Suboxone, many people want to know which medication is more effective for treating opioid use disorder (OUD). The truth is that both medications can be highly effective when used as part of a comprehensive treatment plan.

Both Suboxone and Sublocade contain buprenorphine, the medication that helps reduce opioid cravings, ease withdrawal symptoms, and stabilize brain chemistry during recovery. Research shows that buprenorphine-based medications can significantly improve treatment retention and lower the risk of overdose.

Rather than one medication being universally “better,” effectiveness often depends on the individual and their treatment needs.

For example, Suboxone may be more effective during the early stages of recovery because doctors can adjust the dose more easily while managing withdrawal symptoms, while Sublocade may be helpful for people who have already stabilized on buprenorphine and want the convenience of a monthly injection instead of a daily medication.

Some patients also find that Sublocade helps them stay consistent with treatment because the medication is administered by a healthcare provider and remains active in the body for weeks.

Ultimately, the most effective medication for opioid addiction is the one that helps a person stay engaged in treatment and maintain long-term recovery. A qualified addiction treatment provider can help determine whether Suboxone or Sublocade is the best fit based on a patient’s medical history, recovery stage, and lifestyle.

How Medication-Assisted Treatment (MAT) Supports Long-Term Recovery

Medication-assisted treatment (MAT) is one of the most effective approaches for treating opioid addiction. MAT combines FDA-approved medications—such as Suboxone or Sublocade—with counseling, behavioral therapy, and long-term recovery support.

Opioid addiction affects the brain in ways that make quitting extremely difficult without medical support. Medications like buprenorphine help stabilize brain chemistry and reduce the intense cravings and withdrawal symptoms that often lead to relapse.

When used as part of a structured treatment program, MAT can help people:

• Reduce opioid cravings
• Prevent painful withdrawal symptoms
• Lower the risk of relapse and overdose
• Stay engaged in therapy and recovery programs
• Rebuild healthy routines and daily stability

MAT does not simply replace one drug with another. Instead, it provides a clinically supervised medication that allows the brain and body time to heal while the person works on the behavioral and psychological aspects of addiction.

Find Medication-Assisted Treatment (MAT) in Louisville, KY Today

If you or a loved one is struggling with opioid addiction, medications like Suboxone and Sublocade can be effective tools when combined with counseling, therapy, and long-term recovery support. A comprehensive treatment program can help you manage cravings, stabilize your health, and focus on building a lasting recovery.

To learn more about medication-assisted treatment or to find out if it’s right for you, please contact our team here at Bluegrass Recovery Center today.

FAQs About Sublocade and Suboxone

Can you drink alcohol while taking Suboxone or Sublocade?

Drinking alcohol while taking medications that contain buprenorphine is generally not recommended. Alcohol can increase sedation and raise the risk of dangerous side effects. Patients should always speak with their doctor before using alcohol while in treatment.

How quickly do Suboxone and Sublocade start working?

Suboxone typically begins working within a short period after the dose dissolves under the tongue. Sublocade releases medication gradually after the injection, providing a steady level of buprenorphine throughout the month.

Do you need counseling while taking Suboxone or Sublocade?

Most addiction treatment programs recommend combining medication with therapy, counseling, or behavioral treatment. Addressing the psychological and behavioral aspects of addiction can strengthen long-term recovery.

How long do people stay on Suboxone or Sublocade?

Treatment length varies from person to person. Some people use medication-assisted treatment for months, while others may continue for several years as part of a long-term recovery plan guided by their healthcare provider.

References:

1. Substance Abuse and Mental Health Services Administration (SAMHSA): Buprenorphine
2. JAMA Network: Rapid Initiation of Extended-Release Buprenorphine—Evidence and Barriers
3. Frontiers in Psychiatry: Suboxone: History, controversy, and open questions
4. National Institute of Health (NIH): Buprenorphine
5. National Institute of Health (NIH): Medication-Assisted Treatment for Opioid Use Disorder in a Rural Family Medicine Practice
6. Taylor & Francis Online: Monitoring and management of injection site reactions in patients receiving subcutaneous buprenorphine (Sublocade): two case reports and literature review