Atorvastatin and Grapefruit Juice: Drug Interaction Guide

Quick answer: This combination requires caution. Atorvastatin and Grapefruit Juice can be used together with adjustments and monitoring.

Interaction severity: Moderate — caution required

How Atorvastatin interacts with Grapefruit Juice

Grapefruit juice inhibits intestinal CYP3A4 and can increase atorvastatin bioavailability. Higher atorvastatin exposure increases dose-related muscle toxicity risk.

What you should do

Advise patients to avoid large or regular grapefruit juice intake. Consider pravastatin or rosuvastatin if grapefruit consumption is unavoidable.

Key facts

Severity

Moderate — caution required

Mechanism

Grapefruit juice inhibits intestinal CYP3A4 and can increase atorvastatin bioavailability. Higher atorvastatin exposure ...

Action

Advise patients to avoid large or regular grapefruit juice intake. Consider pravastatin or rosuvastatin if grapefruit co...

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 Atorvastatin and Grapefruit Juice together?

With caution. Advise patients to avoid large or regular grapefruit juice intake. Consider pravastatin or rosuvastatin if grapefruit consumption is unavoidable.

What is the severity of this interaction?

The interaction between Atorvastatin and Grapefruit Juice is classified as Moderate — caution required. Grapefruit juice inhibits intestinal CYP3A4 and can increase atorvastatin bioavailability. Higher atorvastatin exposure increases dose-related muscle toxicity risk.

What should I do if I'm prescribed both?

Advise patients to avoid large or regular grapefruit juice intake. Consider pravastatin or rosuvastatin if grapefruit consumption is unavoidable. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

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