Skip to content

Drug interactions

Cefoxitin + Probenecid

Severity: Minor

Cefoxitin 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 markedly decreases renal tubular secretion of cefoxitin, resulting in higher and longer-lasting concentrations. This is used intentionally in some regimens, such as for pelvic inflammatory disease.

What this interaction means in plain words

Cefoxitin 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.

Cefoxitin belongs to Anti Bacterial; Probenecid belongs to Genitourinary.

Evidence level: High

Why it happens

Probenecid inhibits OAT-mediated renal tubular secretion of cefoxitin.

What to do

No action is needed when combined intentionally; reduce cefoxitin dose in renal impairment as usual.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Cefoxitin and Probenecid, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Cefoxitin with Probenecid?

MediHelp rates the interaction as minor. Cefoxitin 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 markedly decreases renal tubular secretion of cefoxitin, resulting in higher and longer-lasting concentrations. This is used intentionally in some regimens, such as for pelvic inflammatory disease.

How serious is the interaction between Cefoxitin 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 action is needed when combined intentionally; reduce cefoxitin dose in renal impairment as usual.

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.

Browse A–Z · Drug interactions

Get the app Sign in