Skip to content

Drug interactions

Budesonide + Phenindione

Severity: Moderate

Budesonide and Phenindione: 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

Corticosteroids can unpredictably alter the response to oral anticoagulants, with reports of both reduced and increased anticoagulation. Systemic exposure from budesonide is low, so the effect is generally modest but possible with higher doses.

What this interaction means in plain words

Budesonide and Phenindione 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.

Evidence level: Low

Why it happens

Mechanism is not firmly established; corticosteroids may alter coagulability and vascular integrity.

What to do

Check INR more frequently when starting, changing or stopping budesonide and adjust phenindione dosing accordingly.

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 Budesonide and Phenindione, 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 Budesonide with Phenindione?

MediHelp rates the interaction as moderate. Budesonide and Phenindione 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. Corticosteroids can unpredictably alter the response to oral anticoagulants, with reports of both reduced and increased anticoagulation. Systemic exposure from budesonide is low, so the effect is generally modest but possible with higher doses.

How serious is the interaction between Budesonide and Phenindione?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check INR more frequently when starting, changing or stopping budesonide and adjust phenindione dosing accordingly.

What other medicines interact with Budesonide?

MediHelp also lists interactions of Budesonide with, for example, Aldesleukin, Atazanavir, Bcg vaccine live. The full list is on the Budesonide 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