Acenocoumarol and Miconazole: Drug Interaction Guide

Quick answer: This is a major interaction — avoid combining Acenocoumarol and Miconazole unless specifically directed by your doctor.

How Acenocoumarol interacts with Miconazole

Miconazole inhibits CYP2C9 even when administered topically or as oral gel, dramatically reducing acenocoumarol metabolism and causing major bleeding events.

What you should do

Avoid all forms of miconazole including oral gel; use nystatin or topical clotrimazole alternatives.

Key facts

Severity

Major — avoid combination

Mechanism

Miconazole inhibits CYP2C9 even when administered topically or as oral gel, dramatically reducing acenocoumarol metaboli...

Action

Avoid all forms of miconazole including oral gel; use nystatin or topical clotrimazole alternatives.

Important medical disclaimer: This page provides educational information about drug interactions for general reference. It is not a substitute for professional medical advice, diagnosis, or treatment. Always discuss your specific medications with a qualified healthcare provider before starting, stopping, or changing any treatment. About our editorial team.

Frequently asked questions

Can I take Acenocoumarol and Miconazole together?

No — this combination should generally be avoided. Avoid all forms of miconazole including oral gel; use nystatin or topical clotrimazole alternatives.

What is the severity of this interaction?

The interaction between Acenocoumarol and Miconazole is classified as Major — avoid combination. Miconazole inhibits CYP2C9 even when administered topically or as oral gel, dramatically reducing acenocoumarol metabolism and causing major bleeding events.

What should I do if I'm prescribed both?

Avoid all forms of miconazole including oral gel; use nystatin or topical clotrimazole alternatives. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

Last reviewed: May 16, 2026 by iMedic Medical Editorial Team. Our editorial process.