Drug interactions
Fentanyl intranasal + Gabapentin
Severity: Major
Fentanyl intranasal and Gabapentin: 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
Opioids combined with gabapentinoids carry an increased risk of profound sedation, respiratory depression, coma and death. Regulators have issued warnings about this because gabapentin can potentiate opioid-induced respiratory depression.
What this interaction means in plain words
Fentanyl intranasal and Gabapentin 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 and respiratory depression.
What to do
Reserve the combination for patients with inadequate alternatives, using the lowest effective doses. Monitor for sedation and respiratory depression, particularly in those with lung disease, renal impairment or older age.
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 Gabapentin
Frequently asked questions
Can I take Fentanyl intranasal with Gabapentin?
MediHelp rates the interaction as major. Fentanyl intranasal and Gabapentin 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. Opioids combined with gabapentinoids carry an increased risk of profound sedation, respiratory depression, coma and death. Regulators have issued warnings about this because gabapentin can potentiate opioid-induced respiratory depression.
How serious is the interaction between Fentanyl intranasal and Gabapentin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Reserve the combination for patients with inadequate alternatives, using the lowest effective doses. Monitor for sedation and respiratory depression, particularly in those with lung disease, renal impairment or older age.
What other medicines interact with Gabapentin?
MediHelp also lists interactions of Gabapentin with, for example, Alprazolam, Amobarbital, Belladonna and opium. The full list is on the Gabapentin page.
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