Drug interactions
Bivalirudin + Piperacillin-tazobactam
Severity: Moderate
Bivalirudin and Piperacillin-tazobactam: 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
Piperacillin can impair platelet function and occasionally cause bleeding, which may add to the anticoagulant effect of bivalirudin. Clinical significance is usually modest. Risk is higher in renal impairment, where both drugs accumulate.
What this interaction means in plain words
Bivalirudin and Piperacillin-tazobactam 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 bleeding risk from direct thrombin inhibition plus penicillin-induced platelet dysfunction.
What to do
Monitor for bleeding and ACT or aPTT during bivalirudin therapy. Adjust bivalirudin dose for renal function.
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 Piperacillin-tazobactam
Frequently asked questions
Can I take Bivalirudin with Piperacillin-tazobactam?
MediHelp rates the interaction as moderate. Bivalirudin and Piperacillin-tazobactam 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. Piperacillin can impair platelet function and occasionally cause bleeding, which may add to the anticoagulant effect of bivalirudin. Clinical significance is usually modest. Risk is higher in renal impairment, where both drugs accumulate.
How serious is the interaction between Bivalirudin and Piperacillin-tazobactam?
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 for bleeding and ACT or aPTT during bivalirudin therapy. Adjust bivalirudin dose for renal function.
What other medicines interact with Piperacillin-tazobactam?
MediHelp also lists interactions of Piperacillin-tazobactam with, for example, Vancomycin, Amikacin, Antithrombin alfa. The full list is on the Piperacillin-tazobactam page.
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