Drug interactions
Argatroban + Piperacillin-tazobactam
Severity: Moderate
Argatroban 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
High-dose piperacillin can impair platelet function and may add to the bleeding tendency of anticoagulants. The effect on argatroban is largely theoretical and generally small at usual doses.
What this interaction means in plain words
Argatroban 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.
Argatroban belongs to Cardiovascular; Piperacillin-tazobactam belongs to Anti Bacterial.
Why it happens
Piperacillin impairs platelet aggregation, adding to argatroban's anticoagulant effect on hemostasis.
What to do
Monitor aPTT and watch for signs of bleeding, especially with renal impairment or high piperacillin doses.
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
Other interactions of Argatroban
- Argatroban + Defibrotide Contraindicated
- Argatroban + Ketorolac Contraindicated
- Argatroban + Mifepristone Contraindicated
- Abciximab + Argatroban Major
- Acalabrutinib + Argatroban Major
- Acetylsalicylic acid + Argatroban Major
Frequently asked questions
Can I take Argatroban with Piperacillin-tazobactam?
MediHelp rates the interaction as moderate. Argatroban 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. High-dose piperacillin can impair platelet function and may add to the bleeding tendency of anticoagulants. The effect on argatroban is largely theoretical and generally small at usual doses.
How serious is the interaction between Argatroban 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 aPTT and watch for signs of bleeding, especially with renal impairment or high piperacillin doses.
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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