Drug interactions
Fentanyl intranasal + Pregabalin
Severity: Major
Fentanyl intranasal 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 and intranasal fentanyl both depress the central nervous system, and together they can cause profound sedation and respiratory depression. Gabapentinoids have been associated with increased opioid-related respiratory events.
What this interaction means in plain words
Fentanyl intranasal 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
Limit use to patients without adequate alternatives and use the lowest effective doses of both drugs. Monitor sedation level and respiratory rate closely, especially in opioid-naive or elderly patients.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Fentanyl intranasal and Pregabalin, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Pregabalin
Frequently asked questions
Can I take Fentanyl intranasal with Pregabalin?
MediHelp rates the interaction as major. Fentanyl intranasal 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 intranasal fentanyl both depress the central nervous system, and together they can cause profound sedation and respiratory depression. Gabapentinoids have been associated with increased opioid-related respiratory events.
How serious is the interaction between Fentanyl intranasal 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: Limit use to patients without adequate alternatives and use the lowest effective doses of both drugs. Monitor sedation level and respiratory rate closely, especially in opioid-naive or elderly patients.
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.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
