Eplerenone and Lisinopril Interaction

Drug interaction information between Eplerenone and Lisinopril.

Eplerenone and Lisinopril have a documented minor interaction in FDA labeling.

FDA drug labeling documents a minor-severity interaction between Eplerenone and Lisinopril. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.

Drug A

Eplerenone

Aldosterone Antagonist

Drug B

Lisinopril

ACE Inhibitor

How They Interact

These medicines both stop the body from flushing out potassium. Using them at the same time can cause too much potassium to stay in your blood.

FDA Label Information

Use of lisinopril with potassium-sparing diuretics (e.g., spironolactone, eplerenone, triamterene, or amiloride), potassium supplements, or potassium-containing salt substitutes may lead to significant increases in serum potassium.

Frequently Asked Questions

What SPL severity band is on file for Eplerenone + Lisinopril?

Compiled FDA labeling labels this pair minor. That is a source-record field, not an individual medication-combination decision.

Which drug in this pair has the larger labeled-interaction portfolio?

Lisinopril has 15 labeled pairs on file vs Eplerenone's 12. In the minor band specifically: Eplerenone has 7 (also Lithium, Hydrochlorothiazide, Hydrochlorothiazide, Hydrochlorothiazide); Lisinopril has 13 (also Losartan, Spironolactone, Propranolol, Lithium).

What mechanism field is on file for Eplerenone and Lisinopril?

These medicines both stop the body from flushing out potassium. Using them at the same time can cause too much potassium to stay in your blood.

Eplerenone carries more major-labeled pairs than Lisinopril

SPL source-record counts only. This page's band is minor · classes on file: Eplerenone (Aldosterone Antagonist); Lisinopril (ACE Inhibitor).

Eplerenone has 5 major-labeled pairs vs Lisinopril's 2. This page itself is in the minor band, not the major band.

Eplerenone

5 major · 0 moderate · 7 minor · 12 total

Lisinopril

2 major · 0 moderate · 13 minor · 15 total

Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. This registry does not provide individual medication-combination directions.