Ibrutinib and Voriconazole: Drug Interaction Guide

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

Interaction severity: Major — avoid combination

How Ibrutinib interacts with Voriconazole

Voriconazole is a strong CYP3A4 inhibitor and can markedly increase ibrutinib exposure. Higher ibrutinib concentrations increase risks of bleeding, arrhythmia, and other toxicities.

What you should do

Avoid coadministration when possible. If antifungal therapy is essential, follow product-specific ibrutinib dose interruption or reduction guidance.

Key facts

Severity

Major — avoid combination

Mechanism

Voriconazole is a strong CYP3A4 inhibitor and can markedly increase ibrutinib exposure. Higher ibrutinib concentrations ...

Action

Avoid coadministration when possible. If antifungal therapy is essential, follow product-specific ibrutinib dose interru...

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 Ibrutinib and Voriconazole together?

No — this combination should generally be avoided. Avoid coadministration when possible. If antifungal therapy is essential, follow product-specific ibrutinib dose interruption or reduction guidance.

What is the severity of this interaction?

The interaction between Ibrutinib and Voriconazole is classified as Major — avoid combination. Voriconazole is a strong CYP3A4 inhibitor and can markedly increase ibrutinib exposure. Higher ibrutinib concentrations increase risks of bleeding, arrhythmia, and other toxicities.

What should I do if I'm prescribed both?

Avoid coadministration when possible. If antifungal therapy is essential, follow product-specific ibrutinib dose interruption or reduction guidance. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

Last reviewed: by iMedic Medical Editorial Team. Our editorial process.