Drug interactions
Buprenorphine long-acting + Pregabalin
Severity: Major
Buprenorphine long-acting and Pregabalin: 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
Pregabalin combined with long-acting injectable buprenorphine adds central nervous system depression, with a risk of oversedation, impaired alertness and respiratory depression. Because the injectable depot cannot be quickly withdrawn, effects may persist for a long time.
What this interaction means in plain words
Buprenorphine long-acting and Pregabalin 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 central nervous system and respiratory depressant effects through different pharmacodynamic pathways.
What to do
Use only when no suitable alternative exists, keeping the pregabalin dose as low as possible. Monitor for sedation and respiratory depression, especially after pregabalin dose increases.
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 Pregabalin
Frequently asked questions
Can I take Buprenorphine long-acting with Pregabalin?
MediHelp rates the interaction as major. Buprenorphine long-acting and Pregabalin 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. Pregabalin combined with long-acting injectable buprenorphine adds central nervous system depression, with a risk of oversedation, impaired alertness and respiratory depression. Because the injectable depot cannot be quickly withdrawn, effects may persist for a long time.
How serious is the interaction between Buprenorphine long-acting and Pregabalin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use only when no suitable alternative exists, keeping the pregabalin dose as low as possible. Monitor for sedation and respiratory depression, especially after pregabalin dose increases.
What other medicines interact with Pregabalin?
MediHelp also lists interactions of Pregabalin with, for example, Alprazolam, Amobarbital, Belladonna and opium. The full list is on the Pregabalin page.
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