Drug interactions

furosemide + lisinopril

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

Severity: Moderate · Evidence level: High

Additive blood pressure lowering; first‑dose hypotension may occur in volume‑depleted patients; risk of acute kidney injury with aggressive diuresis.

Mechanism of action

ACE inhibitor vasodilation combined with diuretic‑induced volume depletion lowers perfusion pressure and GFR.

Clinical management

Assess volume status; consider reducing or withholding diuretic 24 h before starting or up‑titrating ACE inhibitor; monitor BP, serum creatinine, and electrolytes 1–2 weeks after changes.

Drug reference

References

  • Lisinopril Prescribing Information — FDA Label
  • ACE inhibitors and Diuretics: First-dose hypotension — UpToDate

Frequently asked questions

Can I take furosemide with lisinopril?

The interaction is rated: Moderate. Additive blood pressure lowering; first‑dose hypotension may occur in volume‑depleted patients; risk of acute kidney injury with aggressive diuresis.

How serious is the interaction between furosemide and lisinopril?

The interaction is rated: Moderate. Evidence level: High.

How is the interaction between furosemide and lisinopril managed?

Assess volume status; consider reducing or withholding diuretic 24 h before starting or up‑titrating ACE inhibitor; monitor BP, serum creatinine, and electrolytes 1–2 weeks after changes.

Why do furosemide and lisinopril interact?

ACE inhibitor vasodilation combined with diuretic‑induced volume depletion lowers perfusion pressure and GFR.

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