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Drug interactions

Aztreonam + Probenecid

Severity: Minor

Aztreonam and Probenecid: minor 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 reduces tubular secretion of aztreonam and modestly raises its serum levels. The change is small and rarely requires intervention.

What this interaction means in plain words

Aztreonam and Probenecid have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Aztreonam belongs to Anti Bacterial; Probenecid belongs to Genitourinary.

Evidence level: Moderate

Why it happens

Probenecid inhibits renal organic anion transporters involved in tubular secretion of aztreonam.

What to do

No dose adjustment is usually needed; be aware of higher exposure in patients with renal impairment.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Aztreonam with Probenecid?

MediHelp rates the interaction as minor. Aztreonam and Probenecid have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Probenecid reduces tubular secretion of aztreonam and modestly raises its serum levels. The change is small and rarely requires intervention.

How serious is the interaction between Aztreonam and Probenecid?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose adjustment is usually needed; be aware of higher exposure 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.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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