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Drug interactions

Neomycin + Vecuronium

Severity: Moderate

Neomycin 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

Aminoglycosides can intensify and prolong blockade from non-depolarizing relaxants such as vecuronium, risking delayed recovery and respiratory depression. Oral neomycin matters mainly when it is absorbed.

What this interaction means in plain words

Neomycin 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.

Neomycin belongs to Anti Bacterial; Vecuronium belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

Aminoglycosides reduce presynaptic acetylcholine release and postsynaptic sensitivity, adding to non-depolarizing blockade.

What to do

Monitor train-of-four and ensure ventilatory support is available through recovery. Reduce the vecuronium dose if needed.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Neomycin with Vecuronium?

MediHelp rates the interaction as moderate. Neomycin 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. Aminoglycosides can intensify and prolong blockade from non-depolarizing relaxants such as vecuronium, risking delayed recovery and respiratory depression. Oral neomycin matters mainly when it is absorbed.

How serious is the interaction between Neomycin 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: Monitor train-of-four and ensure ventilatory support is available through recovery. Reduce the vecuronium dose if needed.

What other medicines interact with Neomycin?

MediHelp also lists interactions of Neomycin with, for example, Amikacin, Amphotericin b deoxycholate, Capreomycin. The full list is on the Neomycin page.

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