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Drug interactions

Furosemide + Perindopril

Severity: Moderate

Furosemide and Perindopril: moderate 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

Adding an ACE inhibitor to a loop diuretic can cause pronounced hypotension and acute renal function decline, particularly at initiation, in volume-depleted patients or in those with renal artery stenosis. The combination is useful in heart failure but needs careful initiation.

What this interaction means in plain words

Furosemide and Perindopril can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Furosemide belongs to Cardiovascular; Perindopril belongs to Cardiovascular.

Evidence level: High

Why it happens

Diuretic-induced volume depletion combined with ACE inhibition reduces efferent arteriolar tone, producing additive hypotension and lower glomerular filtration.

What to do

Consider reducing or temporarily holding furosemide before starting perindopril, and begin with a low dose. Check blood pressure, creatinine and potassium within one to two weeks.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Furosemide with Perindopril?

MediHelp rates the interaction as moderate. Furosemide and Perindopril can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Adding an ACE inhibitor to a loop diuretic can cause pronounced hypotension and acute renal function decline, particularly at initiation, in volume-depleted patients or in those with renal artery stenosis. The combination is useful in heart failure but needs careful initiation.

How serious is the interaction between Furosemide and Perindopril?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Consider reducing or temporarily holding furosemide before starting perindopril, and begin with a low dose. Check blood pressure, creatinine and potassium within one to two weeks.

What other medicines interact with Furosemide?

MediHelp also lists interactions of Furosemide with, for example, Amifostine, Amikacin, Carbenoxolone. The full list is on the Furosemide page.

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