Drug interactions
Fentanyl intranasal + Zolpidem
Severity: Major
Fentanyl intranasal and Zolpidem: 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
Combining zolpidem with intranasal fentanyl produces additive central nervous system and respiratory depression. This can cause profound sedation, hypotension, coma and death, especially in opioid-naive or frail patients.
What this interaction means in plain words
Fentanyl intranasal and Zolpidem 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 pharmacodynamic CNS depression through opioid receptor agonism and GABA-A positive modulation.
What to do
Avoid the combination where possible; if both are required, use the lowest effective doses for the shortest duration. Monitor closely for sedation and respiratory depression.
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 Zolpidem
Frequently asked questions
Can I take Fentanyl intranasal with Zolpidem?
MediHelp rates the interaction as major. Fentanyl intranasal and Zolpidem 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. Combining zolpidem with intranasal fentanyl produces additive central nervous system and respiratory depression. This can cause profound sedation, hypotension, coma and death, especially in opioid-naive or frail patients.
How serious is the interaction between Fentanyl intranasal and Zolpidem?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination where possible; if both are required, use the lowest effective doses for the shortest duration. Monitor closely for sedation and respiratory depression.
What other medicines interact with Zolpidem?
MediHelp also lists interactions of Zolpidem with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Benzhydrocodone / acetaminophen. The full list is on the Zolpidem page.
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