Drug interactions
Buprenorphine subdermal implant + Pregabalin
Severity: Major
Buprenorphine subdermal implant and Pregabalin: major interaction.
Last updated Sources: UK SmPC
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 and buprenorphine both depress the central nervous system, and using them together can cause excessive sedation, dizziness and slowed breathing. Gabapentinoids combined with opioids have been linked to respiratory depression, especially in older or frail patients and those with lung disease.
What this interaction means in plain words
Buprenorphine subdermal implant 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 the combination only if alternatives are inadequate, with the lowest effective pregabalin dose. Monitor sedation and respiratory rate, particularly after dose changes, and counsel the patient on driving and alcohol.
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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References
Other interactions of Pregabalin
Frequently asked questions
Can I take Buprenorphine subdermal implant with Pregabalin?
MediHelp rates the interaction as major. Buprenorphine subdermal implant 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 and buprenorphine both depress the central nervous system, and using them together can cause excessive sedation, dizziness and slowed breathing. Gabapentinoids combined with opioids have been linked to respiratory depression, especially in older or frail patients and those with lung disease.
How serious is the interaction between Buprenorphine subdermal implant 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 the combination only if alternatives are inadequate, with the lowest effective pregabalin dose. Monitor sedation and respiratory rate, particularly after dose changes, and counsel the patient on driving and alcohol.
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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