Drug interactions
Fludrocortisone + Warfarin
Severity: Minor
Fludrocortisone and Warfarin: 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
Corticosteroids, including fludrocortisone, may alter the response to warfarin, usually increasing INR. The effect is inconsistent and based mostly on limited reports.
What this interaction means in plain words
Fludrocortisone and Warfarin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Fludrocortisone belongs to Endocrine; Warfarin belongs to Cardiovascular.
Why it happens
The mechanism is not established; corticosteroids may change clotting factor synthesis or vascular fragility.
What to do
Check INR after starting or stopping fludrocortisone and adjust warfarin if the INR moves out of range.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Fludrocortisone and Warfarin, 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.
Other interactions of Warfarin
- Defibrotide + Warfarin Contraindicated
- Ketorolac + Warfarin Contraindicated
- Abciximab + Warfarin Major
- Acetylsalicylic acid + Warfarin Major
- Adagrasib + Warfarin Major
- Amiodarone + Warfarin Major
Other interactions of Fludrocortisone
Frequently asked questions
Can I take Fludrocortisone with Warfarin?
MediHelp rates the interaction as minor. Fludrocortisone and Warfarin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Corticosteroids, including fludrocortisone, may alter the response to warfarin, usually increasing INR. The effect is inconsistent and based mostly on limited reports.
How serious is the interaction between Fludrocortisone and Warfarin?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check INR after starting or stopping fludrocortisone and adjust warfarin if the INR moves out of range.
What other medicines interact with Warfarin?
MediHelp also lists interactions of Warfarin with, for example, Defibrotide, Ketorolac, Abciximab. The full list is on the Warfarin 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.
