Drug interactions
Cyclosporine + Fluvastatin
Severity: Major
Cyclosporine and Fluvastatin: major interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Cyclosporine increases fluvastatin exposure and the risk of myopathy and rhabdomyolysis.
What this interaction means in plain words
Cyclosporine and Fluvastatin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Cyclosporine inhibits OATP1B1 and CYP2C9, reducing fluvastatin clearance.
What to do
Limit fluvastatin to 20 mg twice daily with cyclosporine. Monitor for muscle symptoms and check CK if they occur.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Fluvastatin
- Cyclosporin + Fluvastatin Major
- Fluvastatin + Gemfibrozil Major
- Fluvastatin + Letermovir Major
- Fluvastatin + Red yeast rice Major
- Apalutamide + Fluvastatin Moderate
- Cholestyramine + Fluvastatin Moderate
Frequently asked questions
Can I take Cyclosporine with Fluvastatin?
MediHelp rates the interaction as major. Cyclosporine and Fluvastatin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Cyclosporine increases fluvastatin exposure and the risk of myopathy and rhabdomyolysis.
How serious is the interaction between Cyclosporine and Fluvastatin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Limit fluvastatin to 20 mg twice daily with cyclosporine. Monitor for muscle symptoms and check CK if they occur.
What other medicines interact with Fluvastatin?
MediHelp also lists interactions of Fluvastatin with, for example, Cyclosporin, Gemfibrozil, Letermovir. The full list is on the Fluvastatin page.
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