Imatinib and Simvastatin: Drug Interaction Guide

Quick answer: This combination requires caution. Imatinib and Simvastatin can be used together with adjustments and monitoring.

Interaction severity: Moderate — caution required

How Imatinib interacts with Simvastatin

Imatinib inhibits CYP3A4, increasing exposure to simvastatin, a CYP3A4 substrate. Higher statin concentrations increase risk of myopathy.

What you should do

Prefer a statin with less CYP3A4 dependence or use the lowest effective simvastatin dose. Monitor for muscle pain, weakness, and creatine kinase elevation if symptomatic.

Key facts

Severity

Moderate — caution required

Mechanism

Imatinib inhibits CYP3A4, increasing exposure to simvastatin, a CYP3A4 substrate. Higher statin concentrations increase ...

Action

Prefer a statin with less CYP3A4 dependence or use the lowest effective simvastatin dose. Monitor for muscle pain, weakn...

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 Imatinib and Simvastatin together?

With caution. Prefer a statin with less CYP3A4 dependence or use the lowest effective simvastatin dose. Monitor for muscle pain, weakness, and creatine kinase elevation if symptomatic.

What is the severity of this interaction?

The interaction between Imatinib and Simvastatin is classified as Moderate — caution required. Imatinib inhibits CYP3A4, increasing exposure to simvastatin, a CYP3A4 substrate. Higher statin concentrations increase risk of myopathy.

What should I do if I'm prescribed both?

Prefer a statin with less CYP3A4 dependence or use the lowest effective simvastatin dose. Monitor for muscle pain, weakness, and creatine kinase elevation if symptomatic. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

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