Fluconazole and Eplerenone Interaction

Drug interaction information between Fluconazole and Eplerenone.

Fluconazole and Eplerenone have a documented major interaction in FDA labeling.

FDA drug labeling documents a major-severity interaction between Fluconazole and Eplerenone. 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

Fluconazole

Azole Antifungal

Drug B

Eplerenone

Aldosterone Antagonist

How They Interact

Fluconazole blocks the enzyme that clears eplerenone from your body, which can lead to higher levels of the drug in your blood.

FDA Label Information

7 DRUG INTERACTIONS • CYP3A Inhibitors: In post-MI HFrEF patients, do not exceed 25 mg once daily when used with moderate CYP3A inhibitors (e.g., verapamil, erythromycin, saquinavir, fluconazole).

Frequently Asked Questions

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

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

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

Fluconazole has 67 labeled pairs on file vs Eplerenone's 12. In the major band specifically: Fluconazole has 3 (also Pimozide, Clarithromycin); Eplerenone has 5 (also Verapamil, Erythromycin, Itraconazole, Nirmatrelvir/Ritonavir).

What mechanism field is on file for Fluconazole and Eplerenone?

Fluconazole blocks the enzyme that clears eplerenone from your body, which can lead to higher levels of the drug in your blood.

Eplerenone carries more major-labeled pairs than Fluconazole

SPL source-record counts only. This page's band is major · classes on file: Fluconazole (Azole Antifungal); Eplerenone (Aldosterone Antagonist).

Eplerenone has 5 major-labeled pairs vs Fluconazole's 3.

Fluconazole

3 major · 7 moderate · 57 minor · 67 total

Eplerenone

5 major · 0 moderate · 7 minor · 12 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.