Drug interactions
Ceftazidime / avibactam + Probenecid
Severity: Major
Ceftazidime / avibactam and Probenecid: 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
Probenecid inhibits renal OAT-mediated uptake of avibactam, which can reduce its elimination and increase exposure. Labeling advises against coadministration.
What this interaction means in plain words
Ceftazidime / avibactam and Probenecid 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.
Why it happens
Probenecid inhibits OAT1/OAT3-mediated renal tubular uptake and secretion of avibactam.
What to do
Avoid coadministration; use an alternative to probenecid where possible.
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?
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Other interactions of Probenecid
- Ketorolac intranasal + Probenecid Contraindicated
- Ketorolac + Probenecid Contraindicated
- Baricitinib + Probenecid Major
- Methotrexate + Probenecid Major
- Pralatrexate + Probenecid Major
- Probenecid + Roxadustat Major
Frequently asked questions
Can I take Ceftazidime / avibactam with Probenecid?
MediHelp rates the interaction as major. Ceftazidime / avibactam and Probenecid 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. Probenecid inhibits renal OAT-mediated uptake of avibactam, which can reduce its elimination and increase exposure. Labeling advises against coadministration.
How serious is the interaction between Ceftazidime / avibactam and Probenecid?
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 coadministration; use an alternative to probenecid where possible.
What other medicines interact with Probenecid?
MediHelp also lists interactions of Probenecid with, for example, Ketorolac intranasal, Ketorolac, Baricitinib. The full list is on the Probenecid page.
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