Sublocade: How the Monthly Buprenorphine Shot Works

Sublocade is a prescription medicine that a healthcare provider injects once a month to treat moderate to severe opioid use disorder. It delivers a slow, steady dose of buprenorphine, a medication that quiets cravings and holds withdrawal at bay, so a person in recovery does not have to remember a pill every single day. A trained clinician administers the shot in a medical setting, so it is never something you prepare or inject on your own.

Early recovery gets a lot harder when daily medication collides with daily cravings. A once-a-month injection takes that daily decision off the table. Knowing how Sublocade works, who administers it, and where it fits inside a supervised program helps you understand what to expect and why medical oversight matters from the first dose forward.

Key Takeaways

• Sublocade is an extended-release buprenorphine injection that a healthcare provider gives once a month to treat moderate to severe opioid use disorder.
• The medicine forms a small, solid deposit under the skin that slowly releases buprenorphine, keeping cravings and withdrawal in check for a full month.
• A clinician must administer it under the skin, and it is only available through a restricted safety program, so it is never self-injected at home.
• Sublocade works best as one part of a complete treatment plan that includes medical detox, counseling, and ongoing support.
• Research shows that buprenorphine-based treatment lowers the risk of opioid overdose and death compared with no medication.

What Sublocade Is

Sublocade is the brand name for extended-release buprenorphine, an injectable form of a medication that has treated opioid dependence for years. The U.S. Food and Drug Administration approved it in 2017 for adults with moderate to severe opioid use disorder who have already started on a transmucosal buprenorphine product, meaning a film or tablet that dissolves under the tongue or against the cheek. The prescribing label lists it as a Schedule III controlled substance that is injected under the skin for a slow release over the following weeks, per the official Sublocade prescribing information.

A few features set the monthly shot apart from daily buprenorphine:

• It is given as a single subcutaneous injection, not a daily pill or film.
• One dose lasts about a month, so there is no daily routine to keep.
• A clinician handles the entire process, eliminating the risk of a missed or double dose at home.
• The steady release avoids the rise and fall in blood levels that daily dosing can create.

How the Monthly Buprenorphine Shot Works in the Body

The medication is administered as a liquid that a provider injects into the abdominal fat. Upon contact with body fluids, it forms a soft, solid deposit called a depot. That depot then releases buprenorphine gradually, keeping a stable level of the medicine in the bloodstream for roughly a month.

Buprenorphine itself is a partial opioid agonist. It attaches to the same mu-opioid receptors that heroin, fentanyl, and prescription painkillers target, but it activates them only part of the way. That partial action is enough to calm cravings and prevent withdrawal, yet it does not produce the intense high of a full opioid. Buprenorphine also has a ceiling effect, which means that past a certain point, taking more does not keep increasing its effect on breathing, a safety feature the SAMHSA overview of buprenorphine describes in detail.

Because the depot keeps levels steady, people avoid the peaks and dips that can trigger cravings between doses. For anyone who has already lived through the discomfort of stopping opioids, that stability is a meaningful shift. If you want a sense of what those early days can feel like, the stages laid out in the opioid withdrawal timeline show why steady medication support matters so much.

Why a Clinician Gives the Shot, Never You

Sublocade carries a boxed warning, the strongest warning the FDA issues. Serious harm or death can result if the medicine is injected into a vein, because it forms a solid mass that can block blood vessels, damage tissue, and cause dangerous clots, including life-threatening clots in the lungs. For that reason, the label states plainly that it is for subcutaneous use only and must never be injected into a vein, muscle, or the top layer of skin.

To guard against misuse, Sublocade is available only through a restricted program. Only certified healthcare settings and pharmacies can order it, and a provider must administer every dose. This is the same principle that makes supervised care safer across the board. Trying to manage opioid dependence alone, or attempting to quit cold turkey without medical support, carries real risk, which is exactly why medically assisted detox exists in the first place. The shot is a clinical procedure, not a home remedy.

How Sublocade Fits Into a Complete Treatment Program

Medication is a powerful tool, but on its own, it is not a full treatment. Both the drug label and national treatment guidance state that buprenorphine should be part of a comprehensive plan that includes counseling and psychosocial support. In practice, Sublocade rarely stands alone. It usually enters the picture after a person has stabilized in a supervised setting.

A common path looks like this:

1. A person completes medical detox, where clinicians manage withdrawal safely and around the clock.
2. The care team starts daily transmucosal buprenorphine and confirms the person tolerates it well.
3. Once the person is stable, a provider transitions them to the monthly Sublocade injection.
4. Therapy, group support, and relapse-prevention work continue alongside the medication.

This structure is one reason so many detox centers now build treatment around buprenorphine and naltrexone. It also pairs naturally with the round-the-clock oversight of a residential detox program, where the move to a monthly shot happens under close supervision rather than on a person’s own timeline.

Starting Sublocade and What to Expect

Nobody receives a first Sublocade injection out of the blue. The medicine is designed for people already taking buprenorphine, and the label calls for at least seven days on a stable dose of the under-the-tongue form before the first shot. This step confirms the person tolerates buprenorphine and lowers the chance of triggering sudden withdrawal.

Here is how the process generally unfolds:

1. A provider confirms at least seven days on a stable transmucosal buprenorphine dose.
2. The clinician injects the first dose into the abdomen, most often two monthly 300 mg doses to start.
3. After the initial phase, many people move to a 100 mg monthly maintenance dose, though some stay at the higher dose.
4. The person returns roughly every month for the next injection and a check-in.

The provider rotates the injection site with each visit and watches for side effects and progress at every appointment. Dosing specifics come straight from the approved prescribing information, and a clinician tailors the plan to each person.

Benefits and the Evidence Behind Monthly Dosing

The monthly format solves a very human problem: consistency. Several benefits follow from that single change.

• No daily pill to remember, which supports staying in treatment.
• Steady medication levels that reduce craving swings.
• Less chance of the medication being lost, shared, or misused because a clinician administers every dose.
• Fewer daily reminders of the condition, which some people find easier on their minds.

The bigger picture is survival. According to the National Institute on Drug Abuse, people with opioid use disorder who are treated with buprenorphine or methadone are less likely to die or overdose than those who receive no medication. One large analysis of insured patients found that buprenorphine treatment was linked to a 34% lower risk of opioid overdose and a 76% lower risk of death from any cause, as reported in a peer-reviewed study of buprenorphine outcomes. Those numbers matter against a heavy backdrop, because the Centers for Disease Control and Prevention recorded roughly 105,000 drug overdose deaths in the United States in 2023, and nearly 76% of them involved opioids.

Side Effects and When to Seek Help

Like any medication, Sublocade can cause side effects. Most are manageable, but a few signal a need for prompt medical attention. Common side effects include:

• Constipation, nausea, or vomiting
• Headache or tiredness
• Pain, itching, or redness at the injection site
• Raised liver enzyme levels

Some reactions call for urgent care. Get medical help right away for signs of a serious allergic reaction, such as swelling or trouble breathing, for symptoms of liver trouble like yellowing skin or dark urine, or for slowed or difficult breathing. Because a provider sees you at every monthly visit, many of these issues get caught early, which is one more reason to receive the medication in a supervised setting rather than trying to manage opioids without help.

Getting Started With Supervised Care

Sublocade is not a first step; it is a tool that fits into professional treatment once a person is stable and supported. If you or someone you love is struggling with opioids, the safest path starts with a call to a licensed medical detox and treatment team that can assess the situation, manage withdrawal, and decide whether a medication like Sublocade belongs in the plan. Recovery holds up best when trained clinicians guide each stage, from the first day of detox through long-term aftercare.

References

• Sublocade (buprenorphine extended-release) Prescribing Information – DailyMed, U.S. National Library of Medicine
• What is Buprenorphine? – Substance Abuse and Mental Health Services Administration
• Medications for Opioid Use Disorder – National Institute on Drug Abuse
• Evaluation of the Effectiveness of Buprenorphine-Naloxone on Opioid Overdose and Death Among Insured Patients With Opioid Use Disorder in the United States – National Library of Medicine
• Drug Overdose Deaths – Centers for Disease Control and Prevention

FAQs

Is Sublocade the Same as Suboxone?

Both contain buprenorphine, but they are not identical. Suboxone is a daily film or tablet that dissolves in the mouth and also contains naloxone. Sublocade is a monthly injection of buprenorphine alone, given by a provider. Many people start on a daily product like Suboxone and later transition to the monthly shot.

What Happens if Someone Misses a Monthly Injection?

Missing a dose can let buprenorphine levels drift down, which may bring back cravings or withdrawal over time. The care team can adjust the timing and get the schedule back on track. Staying in regular contact with the provider is the best way to avoid a gap.

Can Sublocade Be Removed if There Is a Problem?

Yes. Because the medicine forms a solid deposit under the skin, a surgeon can remove it if needed, generally within 14 days of the injection, while it is still present. A provider will explain this option if a serious issue comes up.

Is It Safe to Drink Alcohol or Take Other Medications With Sublocade?

Combining buprenorphine with alcohol, benzodiazepines, or other sedatives can dangerously slow breathing and has caused deaths. Tell your provider about every medication and substance you use so they can keep the treatment safe.

Does Insurance Cover Sublocade Treatment?

Many insurance plans cover medication for opioid use disorder, though coverage varies by plan and provider. A treatment center’s admissions team can verify your benefits before you start. You can see how coverage often works for buprenorphine care in this look at insurance coverage for buprenorphine detox in Florida.

How Long Do People Stay on Sublocade?

There is no single timeline. Some people use it for several months, others for years, depending on their needs and their care team’s guidance. Opioid use disorder is a chronic condition, and staying on medication for as long as it helps is a valid, evidence-based choice.