Skip to content

Drug interactions

Bacitracin-neomycin-polymyxin + Cisatracurium

Severity: Major

Bacitracin-neomycin-polymyxin and Cisatracurium: 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

Polymyxin B and neomycin have intrinsic neuromuscular blocking activity and can potentiate non-depolarizing muscle relaxants. This may prolong paralysis and delay recovery of spontaneous breathing. The risk is mainly with systemic or irrigation use and is low with intact-skin topical use.

What this interaction means in plain words

Bacitracin-neomycin-polymyxin and Cisatracurium 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.

Bacitracin-neomycin-polymyxin belongs to Anti Bacterial; Cisatracurium belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

Additive pharmacodynamic neuromuscular blockade through reduced presynaptic acetylcholine release and postsynaptic receptor effects.

What to do

Avoid systemic, irrigation or large-area combination antibiotic exposure during neuromuscular blockade where possible. If used, monitor neuromuscular function with train-of-four and ensure ventilatory support is available.

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?

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

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Bacitracin-neomycin-polymyxin and Cisatracurium, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 14 days on the web. No card needed.

Frequently asked questions

Can I take Bacitracin-neomycin-polymyxin with Cisatracurium?

MediHelp rates the interaction as major. Bacitracin-neomycin-polymyxin and Cisatracurium 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. Polymyxin B and neomycin have intrinsic neuromuscular blocking activity and can potentiate non-depolarizing muscle relaxants. This may prolong paralysis and delay recovery of spontaneous breathing. The risk is mainly with systemic or irrigation use and is low with intact-skin topical use.

How serious is the interaction between Bacitracin-neomycin-polymyxin and Cisatracurium?

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 systemic, irrigation or large-area combination antibiotic exposure during neuromuscular blockade where possible. If used, monitor neuromuscular function with train-of-four and ensure ventilatory support is available.

What other medicines interact with Bacitracin-neomycin-polymyxin?

MediHelp also lists interactions of Bacitracin-neomycin-polymyxin with, for example, Allogeneic cultured keratinocytes / fibroblasts in bovine collagen, Atracurium, Capreomycin. The full list is on the Bacitracin-neomycin-polymyxin page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in