Drug interactions
Meropenem + Probenecid
Severity: Moderate
Meropenem and Probenecid: 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
Probenecid inhibits renal tubular secretion of meropenem, increasing its half-life and exposure. Labeling advises against the combination because the benefit is not established.
What this interaction means in plain words
Meropenem and Probenecid 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.
Meropenem belongs to Anti Bacterial; Probenecid belongs to Genitourinary.
Why it happens
Probenecid competes for renal tubular organic anion transport of meropenem.
What to do
Avoid coadministration where possible. If used together, monitor for adverse effects including seizures in patients with renal impairment.
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 Probenecid
- Ketorolac intranasal + Probenecid Contraindicated
- Ketorolac + Probenecid Contraindicated
- Baricitinib + Probenecid Major
- Ceftazidime / avibactam + Probenecid Major
- Methotrexate + Probenecid Major
- Pralatrexate + Probenecid Major
Other interactions of Meropenem
- Meropenem + Valproic acid Contraindicated
- Meropenem + Typhoid vaccine live Major
- Amifampridine + Meropenem Moderate
- Cholera vaccine + Meropenem Moderate
- Meropenem + Microbiota Moderate
- Meropenem + Sodium picosulfate / magnesium oxide / anhydrous citric acid Moderate
Frequently asked questions
Can I take Meropenem with Probenecid?
MediHelp rates the interaction as moderate. Meropenem and Probenecid 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. Probenecid inhibits renal tubular secretion of meropenem, increasing its half-life and exposure. Labeling advises against the combination because the benefit is not established.
How serious is the interaction between Meropenem and Probenecid?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid coadministration where possible. If used together, monitor for adverse effects including seizures in patients with renal impairment.
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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