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Drug interactions

Ciprofloxacin + Probenecid

Severity: Minor

Ciprofloxacin 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 the renal tubular secretion of ciprofloxacin, raising its serum concentrations. This may increase the risk of dose-related adverse effects, particularly in renal impairment.

What this interaction means in plain words

Ciprofloxacin 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.

Ciprofloxacin belongs to Anti Bacterial; Probenecid belongs to Genitourinary.

Evidence level: Moderate

Why it happens

Probenecid inhibits renal tubular transporters that secrete ciprofloxacin, decreasing its clearance.

What to do

Dose changes are not usually needed. Monitor for CNS effects and tendon symptoms in patients with renal dysfunction or advanced age.

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 Ciprofloxacin with Probenecid?

MediHelp rates the interaction as minor. Ciprofloxacin 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 the renal tubular secretion of ciprofloxacin, raising its serum concentrations. This may increase the risk of dose-related adverse effects, particularly in renal impairment.

How serious is the interaction between Ciprofloxacin 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: Dose changes are not usually needed. Monitor for CNS effects and tendon symptoms in patients with renal dysfunction or advanced age.

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

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