Drug interactions
cyclosporine + ramipril
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.
Overview
Additive risk of hyperkalemia and renal function decline when cyclosporine is used with an ACE inhibitor.
Mechanism of action
Cyclosporine can impair renal potassium excretion and renal function; ACE inhibition reduces aldosterone-mediated potassium excretion, increasing serum potassium and potentially lowering GFR.
Clinical management
Use with caution. Check serum potassium and creatinine at baseline and within 1–2 weeks of initiation or dose change; then periodically. Reduce dose or discontinue if K+ rises (>5.5 mmol/L) or creatinine increases >30%. Avoid added potassium or K-sparing agents.
Drug reference
References
- Cyclosporine (Neoral/Sandimmune) Prescribing Information — FDA Label
- Cyclosporine: Drug Interactions with ACE inhibitors — Lexicomp
- Calcineurin inhibitors (cyclosporine): Drug interactions and toxicity — UpToDate
Frequently asked questions
Can I take cyclosporine with ramipril?
The interaction is rated: Moderate. Additive risk of hyperkalemia and renal function decline when cyclosporine is used with an ACE inhibitor.
How serious is the interaction between cyclosporine and ramipril?
The interaction is rated: Moderate. Evidence level: High.
How is the interaction between cyclosporine and ramipril managed?
Use with caution. Check serum potassium and creatinine at baseline and within 1–2 weeks of initiation or dose change; then periodically. Reduce dose or discontinue if K+ rises (>5.5 mmol/L) or creatinine increases >30%. Avoid added potassium or K-sparing agents.
Why do cyclosporine and ramipril interact?
Cyclosporine can impair renal potassium excretion and renal function; ACE inhibition reduces aldosterone-mediated potassium excretion, increasing serum potassium and potentially lowering GFR.
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