Drug interactions
Fentanyl transmucosal + Pregabalin
Severity: Major
Fentanyl transmucosal 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 transmucosal fentanyl both depress the central nervous system, so the combination may lead to heavy sedation and respiratory depression. Transmucosal fentanyl is potent and rapid acting, so additive effects can emerge quickly.
What this interaction means in plain words
Fentanyl transmucosal 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 alternatives are inadequate, with the minimum effective doses of both drugs. Monitor sedation and breathing, and make sure the patient and caregivers know the signs of overdose.
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 Fentanyl transmucosal with Pregabalin?
MediHelp rates the interaction as major. Fentanyl transmucosal 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 transmucosal fentanyl both depress the central nervous system, so the combination may lead to heavy sedation and respiratory depression. Transmucosal fentanyl is potent and rapid acting, so additive effects can emerge quickly.
How serious is the interaction between Fentanyl transmucosal 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 alternatives are inadequate, with the minimum effective doses of both drugs. Monitor sedation and breathing, and make sure the patient and caregivers know the signs of overdose.
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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