Vortioxetine and Buprenorphine: Interaction Details
AI-assisted, pharmacist-reviewed · AI content regenerated Jul 11, 2026 · Source data updated Jul 2, 2026 · Sources: FDA labeling, DDInter 2.0, cited literature
Buprenorphine
Vortioxetine
How we grade severity & evidence
Severity levels
- Contraindicated: These should generally not be used together.
- Major: Potentially serious — often needs a change or close monitoring.
- Moderate: Can be significant — usually manageable with monitoring.
- Minor: Usually limited clinical impact.
Evidence grades
- Established: Well documented — supported by controlled studies or strong clinical data.
- Probable: Good supporting evidence, though not definitively proven.
- Suspected: Some evidence suggests this interaction, but it is not well established.
- Possible: Limited or conflicting evidence; the interaction may occur.
- Theoretical: Predicted from the drugs' pharmacology; not yet confirmed in people.
Ratings come from the documented interaction literature and are reviewed by a pharmacist. They describe the documented risk of the combination, not what will necessarily happen to you — your dose, timing, and health picture all matter.
Both buprenorphine (a pain and opioid-dependence medicine) and vortioxetine (Trintellix, an antidepressant) can raise serotonin, a chemical messenger in your brain. When two medicines both push serotonin up, there is a small chance it can climb too high, causing a reaction called serotonin syndrome.
Signs to watch for include agitation, a fast heartbeat, sweating, shivering, muscle twitching or stiffness, and feeling confused. This is mostly a theoretical concern, so please don't be alarmed. Many people take both safely. Just don't stop either one on your own. Your care team can manage this by watching you more closely, especially when you first start or change a dose.
Effect: Additive serotonergic activity may increase the risk of serotonin syndrome when buprenorphine is combined with vortioxetine (an SSRI-related serotonin modulator).
- Mechanism: Additive pharmacodynamic serotonergic effect; neither agent's PK is the driver here.
- Direction: Enhanced serotonergic effect (additive).
- Evidence: Theoretical; severity rated major.
- Onset: Unspecified; highest vigilance at initiation and dose titration.
- Management: Use with caution. Monitor for autonomic instability, neuromuscular abnormalities (clonus, hyperreflexia, rigidity), and mental status changes. Discontinue buprenorphine if serotonin syndrome is suspected.
What happens
An increased risk of serotonin syndrome
Interaction Deep Dive
When buprenorphine is combined with other drugs that act on the serotonergic neurotransmitter system, use caution because serotonin syndrome may develop. Should combined therapy be necessary, watch for signs of serotonin syndrome, especially when starting treatment and when doses are changed21. If serotonin syndrome is suspected, stop buprenorphine1.
Why it happens (mechanism)
Additive serotonergic effects
How to manage this interaction
Good news first: this is a theoretical risk, and both medicines are often used together under a clinician's care. Keep taking both exactly as prescribed unless your prescriber tells you otherwise.
- Your care team may monitor you more closely, especially when you start either drug or change a dose.
- Watch for signs of serotonin syndrome: agitation, confusion, fast heart rate, sweating, shivering, muscle twitching or stiffness.
- Get medical help promptly if these appear, since your team may stop the buprenorphine if serotonin syndrome is suspected.
- Tell your pharmacist and prescriber about all your medicines, including other antidepressants, migraine drugs, or supplements like St. John's wort.
Management is individual — confirm any change with your pharmacist or prescriber.
Common questions
Can I take Vortioxetine and Buprenorphine together?
Buprenorphine and vortioxetine can both raise serotonin, so there is a small, mostly theoretical risk of serotonin syndrome. Keep taking both as prescribed, watch for symptoms like agitation, sweating, or muscle twitching, and check with your pharmacist or prescriber. Always confirm with your pharmacist or prescriber before making any change.
How serious is the Vortioxetine and Buprenorphine interaction?
It is rated major. Potentially serious — often needs a change or close monitoring.
How quickly could this interaction happen?
The documented onset is "unspecified". The timing of this interaction is not well characterized.
How is the Vortioxetine and Buprenorphine interaction managed?
Good news first: this is a theoretical risk, and both medicines are often used together under a clinician's care. Keep taking both exactly as prescribed unless your prescriber tells you otherwise. Your care team may monitor you more closely, especially when you start either drug or change a dose. Watch for signs of serotonin syndrome: agitation, confusion, fast heart rate, sweating, shivering, mus… Management is individual — always follow your own care team's guidance.
How strong is the evidence for this interaction?
The evidence is graded "theoretical". Predicted from the drugs' pharmacology; not yet confirmed in people.
Questions for your pharmacist
- Does my dose of Vortioxetine or Buprenorphine need adjusting while I take them together?
- What symptoms should prompt me to call you or my prescriber right away?
- Does the timing of my doses matter for this combination?
- Is there a safer alternative to one of these medications for me?
References (2)
- Product Information: BRIXADI(TM) subcutaneous extended-release injection, buprenorphine subcutaneous extended-release injection. Braeburn Inc (per FDA), Plymouth Meeting, PA, 2023. DailyMed
- Product Information: PROBUPHINE(R) subdermal implant, buprenorphine subdermal implant. Braeburn Pharmaceuticals Inc (per FDA), Princeton, NJ, 2016.
Keep reading about Buprenorphine
Keep reading about Vortioxetine
These medications also interact with supplements
Prescription drugs aren't the whole picture — herbal and dietary supplements can interact with them too. From the evidence-graded Natural Medicines database:
major · moderate · minor — check everything you take with our drug–supplement interaction checker.
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