Skip to content

Drug interactions

Probenecid + Zidovudine

Severity: Moderate

Probenecid and Zidovudine: 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 increases zidovudine plasma concentrations and prolongs its half-life. This can increase hematologic toxicity and may cause rash, fever, or myalgia.

What this interaction means in plain words

Probenecid and Zidovudine 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 belongs to Genitourinary; Zidovudine belongs to Anti Virals.

Evidence level: High

Why it happens

Probenecid inhibits zidovudine glucuronidation and renal tubular secretion, reducing clearance.

What to do

Monitor blood counts and for hypersensitivity-like symptoms. Consider reducing the zidovudine dose or avoiding the combination if toxicity develops.

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?

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 Probenecid and Zidovudine, 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 Probenecid with Zidovudine?

MediHelp rates the interaction as moderate. Probenecid and Zidovudine 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 increases zidovudine plasma concentrations and prolongs its half-life. This can increase hematologic toxicity and may cause rash, fever, or myalgia.

How serious is the interaction between Probenecid and Zidovudine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood counts and for hypersensitivity-like symptoms. Consider reducing the zidovudine dose or avoiding the combination if toxicity develops.

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