Piperacillin and tazobactam and Vecuronium interaction

Piperacillin and tazobactam and Vecuronium: the Piperacillin and tazobactam prescribing label describes an interaction that usually calls for monitoring, a dose change, or spacing the doses.

Moderate

Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.

What the FDA labels say

From the Piperacillin and tazobactam (Piperacillin and Tazobactam and Sodium Chloride) label · effective 2026-05-08

Moderate

Vecuronium Piperacillin when used concomitantly with vecuronium has been implicated in the prolongation of the neuromuscular blockade of vecuronium.

Drug interactionsnames VecuroniumView label on DailyMed
Moderate

Monitor for adverse reactions related to neuromuscular blockade (see package insert for vecuronium bromide).

Drug interactionsnames VecuroniumView label on DailyMed
Moderate

Piperacillin and Tazobactam for Injection and Sodium Chloride Injection may prolong the neuromuscular blockade of vecuronium and other non-depolarizing neuromuscular blockers.

Drug interactionsby drug classView label on DailyMed
Moderate

Due to their similar mechanism of action, it is expected that the neuromuscular blockade produced by any of the non-depolarizing neuromuscular blockers could be prolonged in the presence of piperacillin.

Drug interactionsby drug classView label on DailyMed
Minor

Piperacillin and Tazobactam for Injection and Sodium Chloride Injection could produce the same phenomenon if given along with vecuronium.

Drug interactionsnames VecuroniumView label on DailyMed

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Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.