Dextroamphetamine 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
Dextroamphetamine
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.
You've been prescribed buprenorphine (a pain or opioid-dependence medicine) and dextroamphetamine (a stimulant often used for ADHD). Both can nudge up a brain chemical called serotonin. When two medicines do that together, there's a small chance of a reaction called serotonin syndrome. Warning signs include feeling agitated or confused, shaking, a fast heartbeat, sweating, fever, or muscle twitching.
This concern is mostly theoretical, meaning it's based on how the drugs work rather than lots of real-world cases. Many people take both safely. Your care team can manage this easily by starting low, watching how you do, and adjusting as needed. Just let them know if you feel unwell.
Effect: Additive serotonergic activity from buprenorphine plus dextroamphetamine may increase the risk of serotonin syndrome. Amphetamine exposure and cardiovascular effects may also be potentiated.
- Mechanism: Additive effects on serotonergic neurotransmission (PD interaction); neither is a prodrug relevant here.
- Direction: Increased serotonergic/sympathomimetic effect.
- Evidence: Theoretical; severity rated major. Onset unspecified.
- Management: If coadministration is required, initiate at lower doses and monitor closely, especially at initiation and dose titration. Watch for autonomic instability, neuromuscular abnormalities, and mental status changes. Discontinue both agents if serotonin syndrome is suspected.
What happens
An increased risk of serotonin syndrome
Interaction Deep Dive
When an amphetamine is given together with another serotonergic drug, serotonin syndrome can develop, since both agents act on the serotonergic neurotransmitter system12. Prolonged elevations in brain d-amphetamine levels may also occur, and cardiovascular effects can be intensified1. Should the combined use of an amphetamine with such an agent be clinically necessary, begin at reduced doses and observe patients closely, particularly when starting therapy and when adjusting the dose. If serotonin syndrome is suspected, stop both medications32.
Why it happens (mechanism)
Additive serotonergic effects
How to manage this interaction
If your prescriber has you on both, that can be appropriate. Here's how a care team typically handles it:
- Start low: Doses may be started lower and individualized by your team.
- Monitor closely: Expect closer follow-up, especially when starting either drug or changing a dose.
- Watch for symptoms: Agitation, confusion, fast heartbeat, sweating, fever, shivering, or muscle twitching.
What to do: Keep taking both as prescribed unless told otherwise. Don't start or stop either on your own. Tell your pharmacist or prescriber about the combination and report any of the symptoms above right away.
Management is individual — confirm any change with your pharmacist or prescriber.
Common questions
Can I take Dextroamphetamine and Buprenorphine together?
Combining buprenorphine and dextroamphetamine carries a theoretical risk of serotonin syndrome, so your team may start low and monitor you closely. Keep taking both as prescribed and report agitation, fever, fast heartbeat, or muscle twitching promptly. Always confirm with your pharmacist or prescriber before making any change.
How serious is the Dextroamphetamine 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 Dextroamphetamine and Buprenorphine interaction managed?
If your prescriber has you on both, that can be appropriate. Here's how a care team typically handles it: Start low: Doses may be started lower and individualized by your team. Monitor closely: Expect closer follow-up, especially when starting either drug or changing a dose. Watch for symptoms: Agitation, confusion, fast heartbeat, sweating, fever, shivering, or muscle twitching. What to do: Keep… 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 Dextroamphetamine 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 (3)
- Product Information: VYVANSE(R) oral capsules, oral chewable tablets, lisdexamfetamine dimesylate oral capsules, oral chewable tablets. Shire US Inc (per DailyMed), Lexington, MA, 2018. DailyMed
- Product Information: FETZIMA(R) oral extended-release capsules, levomilnacipran oral extended-release capsules. AbbVie Inc (per FDA), North Chicago, IL, 2023. DailyMed
- Product Information: ADDERALL(R) oral tablets, dextroamphetamine saccharate amphetamine aspartate dextroamphetamine sulfate amphetamine sulfate oral tablets. Teva Select Brands (per FDA), Horsham, PA, 2017. DailyMed
Keep reading about Buprenorphine
Keep reading about Dextroamphetamine
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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