Telavancin 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
Telavancin
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 or addiction medicine) and telavancin (an antibiotic) can affect the timing of your heartbeat. Doctors call this QT prolongation. When two medicines that each nudge the heart's rhythm are used together, that effect can add up and, in rare cases, lead to an irregular heartbeat.
The good news is this concern is mostly theoretical, and your care team knows how to handle it. They may watch your heart with an EKG, check your potassium and magnesium levels, and decide the safest plan for you. Please keep taking both exactly as prescribed, and talk with your pharmacist or doctor if you feel dizzy, faint, or notice a pounding or fluttering heartbeat.
Additive QT prolongation is the concern when combining buprenorphine and telavancin. Both agents carry independent QT-prolonging potential, so the effect is pharmacodynamic and additive, not a metabolic (PK) interaction. Neither is a prodrug, so direction is straightforward: combined use may increase torsades de pointes risk.
- Evidence: theoretical; magnitude of combined risk not established.
- Onset: unspecified.
- Risk factors: hypokalemia, hypomagnesemia, bradycardia, baseline/congenital QT prolongation, CHF, recent AF cardioversion, digitalis therapy.
- Management: avoid concomitant use where possible; if co-administered, obtain baseline and follow-up ECG, correct electrolytes, and monitor closely.
What happens
An increased risk of QT interval prolongation
Interaction Deep Dive
Concurrent administration of buprenorphine alongside medications that can extend the QT interval should be avoided 342. It remains unclear what risk arises from pairing buprenorphine with other agents that prolong QT. When prescribing buprenorphine to patients who carry risk factors, including hypokalemia, bradycardia, recent conversion from atrial fibrillation, congestive heart failure, digitalis therapy, baseline QT prolongation, subclinical long-QT syndrome, or severe hypomagnesemia, clinicians should factor in these considerations during their decision making 1.
Why it happens (mechanism)
Additive QT interval prolongation
How to manage this interaction
Your care team may take a few simple, reassuring steps to keep this combination safe:
- Heart monitoring: they may order an EKG before and during treatment to watch your QT interval.
- Lab checks: they may check and correct your potassium and magnesium levels.
- Reviewing risk factors: they will consider things like a slow heart rate, heart failure, or a personal history of rhythm problems.
- Choosing the best plan: in some cases they may prefer an alternative to avoid using both together.
Keep taking both medicines as prescribed. Tell your pharmacist or doctor right away about fainting, dizziness, or a fluttering heartbeat, and mention all other medicines you take.
Management is individual — confirm any change with your pharmacist or prescriber.
Common questions
Can I take Telavancin and Buprenorphine together?
Buprenorphine and telavancin can each prolong the QT interval, so together they may add up and raise the risk of an irregular heartbeat; your care team can manage this with EKG and electrolyte monitoring, or by choosing an alternative. Keep taking both as prescribed and report any dizziness or palpitations. Always confirm with your pharmacist or prescriber before making any change.
How serious is the Telavancin 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 Telavancin and Buprenorphine interaction managed?
Your care team may take a few simple, reassuring steps to keep this combination safe: Heart monitoring: they may order an EKG before and during treatment to watch your QT interval. Lab checks: they may check and correct your potassium and magnesium levels. Reviewing risk factors: they will consider things like a slow heart rate, heart failure, or a personal history of rhythm problems. Choosing the… 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 Telavancin 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 (4)
- Product Information: BRIXADI(TM) subcutaneous extended-release injection, buprenorphine subcutaneous extended-release injection. Braeburn Inc (per FDA), Plymouth Meeting, PA, 2023. DailyMed
- Product Information: BUTRANS(R) transdermal system patch, buprenorphine transdermal system patch. Purdue Pharma L.P. (per FDA), Stamford, CT, 2016. DailyMed
- Product Information: BELBUCA(TM) buccal film, buprenorphine buccal film. Endo Pharmaceuticals Inc. (per FDA), Malvern, PA, 2016.
- Product Information: BUPRENEX(R) intravenous injection, intramuscular injection, buprenorphine HCl intravenous injection, intramuscular injection. Indivior Inc. (per DailyMed), Richmond, VA, 2016. DailyMed
Keep reading about Buprenorphine
Keep reading about Telavancin
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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