Drug interactions
Fentanyl intranasal + Vecuronium
Severity: Moderate
Fentanyl intranasal and Vecuronium: moderate 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
Fentanyl contributes sedation and respiratory depression on top of vecuronium paralysis. In a ventilated anesthetized patient this is expected, but in non-ventilated patients it may cause dangerous hypoventilation.
What this interaction means in plain words
Fentanyl intranasal and Vecuronium can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Additive respiratory compromise from central opioid depression and peripheral neuromuscular blockade.
What to do
Use only with airway control and ventilation available, and monitor oxygenation and train-of-four. Reduce opioid dose in non-ventilated patients and avoid intranasal fentanyl while residual blockade persists.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Vecuronium
Frequently asked questions
Can I take Fentanyl intranasal with Vecuronium?
MediHelp rates the interaction as moderate. Fentanyl intranasal and Vecuronium can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Fentanyl contributes sedation and respiratory depression on top of vecuronium paralysis. In a ventilated anesthetized patient this is expected, but in non-ventilated patients it may cause dangerous hypoventilation.
How serious is the interaction between Fentanyl intranasal and Vecuronium?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use only with airway control and ventilation available, and monitor oxygenation and train-of-four. Reduce opioid dose in non-ventilated patients and avoid intranasal fentanyl while residual blockade persists.
What other medicines interact with Vecuronium?
MediHelp also lists interactions of Vecuronium with, for example, Amikacin, Bacitracin-neomycin-polymyxin, Capreomycin. The full list is on the Vecuronium page.
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