Drug Interaction Report

Tianeptine 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

Belbuca Brixadi Buprenex BuTrans Simbadol Sublocade Zorbium
+

Tianeptine

No brand names on record
Dr. Brian Staiger, PharmD, BCPS
Medically reviewed by
Updated Jul 2, 2026
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Interaction severity
Major
Potentially serious — often needs a change or close monitoring.
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.

Of 47 documented Tianeptine interactions, 44 are rated major — including this one.
Worried about symptoms right now? Contact your pharmacist or prescriber, or call Poison Control at 1-800-222-1222 (US). Call 911 for an emergency.
At a glance + Theoretical Effects may be stronger
The Bottom Line
Combining buprenorphine and tianeptine can theoretically add up to raise serotonin and cause serotonin syndrome, so use them together only under a care team's watch and report symptoms like agitation, sweating, fast heart rate, or muscle twitching.

Both of these medicines can raise serotonin, a chemical in your brain. Buprenorphine is used for pain or opioid treatment, and tianeptine affects mood and brain signaling. When two serotonin-boosting drugs are combined, there is a chance of a rare but serious reaction called serotonin syndrome.

Warning signs can include agitation, shakiness, sweating, a fast heartbeat, muscle twitching, or feeling confused. This is considered a theoretical concern, meaning it is based on how the drugs work rather than lots of reported cases. Don't stop anything on your own. Talk with your pharmacist or doctor, who can watch you closely and adjust things safely.

Interaction: Additive serotonergic activity from buprenorphine plus tianeptine, raising the theoretical risk of serotonin syndrome.

  • Mechanism: Pharmacodynamic (additive serotonergic effects), not a CYP/prodrug-mediated interaction.
  • Direction: Enhanced serotonergic tone; increased adverse-effect risk.
  • Evidence: Theoretical; severity rated major.
  • Onset: Unspecified; highest vigilance at initiation and dose changes.
  • Management: Use with caution. Monitor for autonomic instability, neuromuscular changes (clonus, hyperreflexia, tremor), and mental status changes. Discontinue buprenorphine if serotonin syndrome is suspected.
Onset
unspecified
Evidence
theoretical
Severity
Major

What happens

An increased risk of serotonin syndrome

Interaction Deep Dive

Because of the risk of serotonin syndrome, caution is warranted when buprenorphine is combined with other drugs that influence the serotonergic neurotransmitter system. When such combined use cannot be avoided, watch for signs of serotonin syndrome, especially at the start of therapy and whenever doses are changed21. Should serotonin syndrome be suspected, buprenorphine should be stopped1.

Why it happens (mechanism)

Additive serotonergic effects

How to manage this interaction

Keep taking both medicines as prescribed unless your care team tells you otherwise. This is a caution, not a ban on using them together.

  • Your team may monitor you more closely, especially when you first start either drug or when a dose is changed.
  • Watch for agitation, confusion, sweating, fast heartbeat, tremor, or muscle twitching, and report these right away.
  • If serotonin syndrome is suspected, your prescriber may stop the buprenorphine.
  • Tell your pharmacist about all serotonin-affecting medicines and supplements you take so your team can tailor your plan.

Management is individual — confirm any change with your pharmacist or prescriber.

Common questions

Can I take Tianeptine and Buprenorphine together?

Combining buprenorphine and tianeptine can theoretically add up to raise serotonin and cause serotonin syndrome, so use them together only under a care team's watch and report symptoms like agitation, sweating, fast heart rate, or muscle twitching. Always confirm with your pharmacist or prescriber before making any change.

How serious is the Tianeptine 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 Tianeptine and Buprenorphine interaction managed?

Keep taking both medicines as prescribed unless your care team tells you otherwise. This is a caution, not a ban on using them together. Your team may monitor you more closely, especially when you first start either drug or when a dose is changed. Watch for agitation, confusion, sweating, fast heartbeat, tremor, or muscle twitching, and report these right away. If serotonin syndrome is suspected,… 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 Tianeptine 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)

  1. Product Information: BRIXADI(TM) subcutaneous extended-release injection, buprenorphine subcutaneous extended-release injection. Braeburn Inc (per FDA), Plymouth Meeting, PA, 2023. DailyMed
  2. Product Information: PROBUPHINE(R) subdermal implant, buprenorphine subdermal implant. Braeburn Pharmaceuticals Inc (per FDA), Princeton, NJ, 2016.
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Beyond drug–drug

These medications also interact with supplements

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This information is for education, not a substitute for professional medical advice. Do not start, stop, or change any medication without talking to your pharmacist or prescriber.