Ciclosporin and Erythromycin: Drug Interaction Guide

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

Interaction severity: Moderate — caution required

How Ciclosporin interacts with Erythromycin

Erythromycin inhibits CYP3A4 and P-glycoprotein, increasing ciclosporin exposure and nephrotoxicity risk.

What you should do

Use an alternative antibiotic if possible; monitor ciclosporin trough concentrations, renal function, and blood pressure if co-administered.

Key facts

Severity

Moderate — caution required

Mechanism

Erythromycin inhibits CYP3A4 and P-glycoprotein, increasing ciclosporin exposure and nephrotoxicity risk.

Action

Use an alternative antibiotic if possible; monitor ciclosporin trough concentrations, renal function, and blood pressure...

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 Ciclosporin and Erythromycin together?

With caution. Use an alternative antibiotic if possible; monitor ciclosporin trough concentrations, renal function, and blood pressure if co-administered.

What is the severity of this interaction?

The interaction between Ciclosporin and Erythromycin is classified as Moderate — caution required. Erythromycin inhibits CYP3A4 and P-glycoprotein, increasing ciclosporin exposure and nephrotoxicity risk.

What should I do if I'm prescribed both?

Use an alternative antibiotic if possible; monitor ciclosporin trough concentrations, renal function, and blood pressure if co-administered. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

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