Dronedarone and Darunavir Interaction

Drug interaction information between Dronedarone and Darunavir.

Dronedarone and Darunavir have a documented major interaction in FDA labeling.

FDA drug labeling documents a major-severity interaction between Dronedarone and Darunavir. 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

Dronedarone

Class III Antiarrhythmic

Drug B

Darunavir

HIV Protease Inhibitor

How They Interact

Darunavir raises the level of dronedarone in your blood by slowing its breakdown. This can cause your heart to beat in a dangerous or irregular way.

FDA Label Information

dronedarone ↑ dronedarone Co-administration is contraindicated due to potential for serious and/or life-threatening reactions such as cardiac arrhythmias.

Frequently Asked Questions

What SPL severity band is on file for Dronedarone + Darunavir?

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?

Darunavir has 101 labeled pairs on file vs Dronedarone's 22. In the major band specifically: Dronedarone has 9 (also Ketoconazole, Clarithromycin, Voriconazole, Ezetimibe); Darunavir has 15 (also Lovastatin, Sildenafil, Lurasidone, Pimozide).

What mechanism field is on file for Dronedarone and Darunavir?

Darunavir raises the level of dronedarone in your blood by slowing its breakdown. This can cause your heart to beat in a dangerous or irregular way.

Darunavir carries more major-labeled pairs than Dronedarone

SPL source-record counts only. This page's band is major · classes on file: Dronedarone (Class III Antiarrhythmic); Darunavir (HIV Protease Inhibitor).

Darunavir has 15 major-labeled pairs vs Dronedarone's 9.

Dronedarone

9 major · 5 moderate · 8 minor · 22 total

Darunavir

15 major · 16 moderate · 70 minor · 101 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.