Drug interactions
Brexpiprazole + Buprenorphine long-acting
Severity: Major
Brexpiprazole and Buprenorphine long-acting: major interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Brexpiprazole taken with long-acting injectable buprenorphine may produce additive sedation and respiratory depression. The prolonged release means the opioid effect cannot be quickly reversed.
What this interaction means in plain words
Brexpiprazole and Buprenorphine long-acting can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive CNS depression from opioid partial agonism and sedating antipsychotic effects.
What to do
Monitor for oversedation and respiratory depression, especially when starting or increasing brexpiprazole, and counsel the patient about driving and operating machinery.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Brexpiprazole
Frequently asked questions
Can I take Brexpiprazole with Buprenorphine long-acting?
MediHelp rates the interaction as major. Brexpiprazole and Buprenorphine long-acting can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Brexpiprazole taken with long-acting injectable buprenorphine may produce additive sedation and respiratory depression. The prolonged release means the opioid effect cannot be quickly reversed.
How serious is the interaction between Brexpiprazole and Buprenorphine long-acting?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for oversedation and respiratory depression, especially when starting or increasing brexpiprazole, and counsel the patient about driving and operating machinery.
What other medicines interact with Brexpiprazole?
MediHelp also lists interactions of Brexpiprazole with, for example, Alfentanil, Amisulpride, Apalutamide. The full list is on the Brexpiprazole page.
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