Drug interactions
Rapacuronium + Vecuronium
Severity: Moderate
Rapacuronium 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
Both are nondepolarizing neuromuscular blockers, so combined use produces additive or synergistic paralysis. Rapacuronium has been withdrawn from most markets, so the combination is rarely encountered.
What this interaction means in plain words
Rapacuronium 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 competitive antagonism of acetylcholine at nicotinic receptors of the motor end plate.
What to do
Avoid combining where possible; if both have been given, reduce subsequent doses and monitor with train-of-four until full recovery.
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 Rapacuronium with Vecuronium?
MediHelp rates the interaction as moderate. Rapacuronium 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. Both are nondepolarizing neuromuscular blockers, so combined use produces additive or synergistic paralysis. Rapacuronium has been withdrawn from most markets, so the combination is rarely encountered.
How serious is the interaction between Rapacuronium 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: Avoid combining where possible; if both have been given, reduce subsequent doses and monitor with train-of-four until full recovery.
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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