Buprenorphine and Almotriptan: 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
Almotriptan
No brand names on recordBuprenorphine
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 of your medicines can raise serotonin, a natural brain chemical. Almotriptan is a migraine medicine that works on serotonin, and buprenorphine can nudge serotonin levels too. When two serotonin-boosting drugs are taken together, there is a small chance of too much serotonin building up, which is called serotonin syndrome.
Signs to watch for include feeling agitated or restless, a fast heartbeat, sweating, shaking, muscle twitching, or feeling confused. This is considered a theoretical risk, meaning it is possible but not commonly reported. Many people take medicines like these together safely. Keep taking both as prescribed and let your doctor or pharmacist know how you feel so they can keep an eye on things.
Effect: Additive serotonergic activity may increase the risk of serotonin syndrome when almotriptan (a 5-HT1B/1D agonist) is combined with buprenorphine (which has weak serotonergic activity).
- Mechanism: Additive serotonergic effects (PD interaction), not a metabolic/PK interaction.
- Direction: Increased serotonergic tone; neither drug is a prodrug relevant here.
- Evidence: Theoretical; severity rated major.
- Onset: Unspecified; risk is highest at initiation and dose changes.
- Management: Use with caution; monitor for agitation, hyperreflexia, clonus, autonomic instability, hyperthermia. Discontinue buprenorphine if serotonin syndrome is suspected.
What happens
An increased risk of serotonin syndrome
Interaction Deep Dive
Because of the risk of serotonin syndrome, use buprenorphine cautiously when combined with other drugs that influence the serotonergic neurotransmitter system. When such combined therapy cannot be avoided, watch for signs of serotonin syndrome, especially at the start of treatment and whenever doses are changed21. Should serotonin syndrome be suspected, stop buprenorphine1.
Why it happens (mechanism)
Additive serotonergic effects
How to manage this interaction
Your care team can manage this combination safely with a bit of extra attention.
- Keep taking both exactly as prescribed unless your doctor tells you otherwise.
- Your team may monitor you more closely, especially when either medicine is started or a dose is adjusted.
- Report symptoms like restlessness, rapid heartbeat, sweating, shivering, muscle twitching, or confusion right away.
- Because almotriptan is used only for occasional migraines, mention to your pharmacist or doctor that you also take buprenorphine so timing and dosing can be individualized to you.
Management is individual — confirm any change with your pharmacist or prescriber.
Common questions
Can I take Buprenorphine and Almotriptan together?
Taking almotriptan and buprenorphine together carries a theoretical risk of serotonin syndrome, so keep taking both as prescribed but watch for symptoms like agitation, rapid heartbeat, sweating, or muscle twitching and report them to your care team. Always confirm with your pharmacist or prescriber before making any change.
How serious is the Buprenorphine and Almotriptan 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 Buprenorphine and Almotriptan interaction managed?
Your care team can manage this combination safely with a bit of extra attention. Keep taking both exactly as prescribed unless your doctor tells you otherwise. Your team may monitor you more closely, especially when either medicine is started or a dose is adjusted. Report symptoms like restlessness, rapid heartbeat, sweating, shivering, muscle twitching, or confusion right away. Because almotripta… 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 Buprenorphine or Almotriptan 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 Almotriptan
Keep reading about Buprenorphine
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.
Check another combination
Our instant two-drug interaction checker is almost here.
Still have questions about this combination?
Every question gets a real answer from a licensed pharmacist — free, and usually within a day.
Ask the pharmacist