Prednisone and Darunavir Interaction

Drug interaction information between Prednisone and Darunavir.

Prednisone and Darunavir have a documented minor interaction in FDA labeling.

FDA drug labeling documents a minor-severity interaction between Prednisone 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

Prednisone

Corticosteroid

Drug B

Darunavir

HIV Protease Inhibitor

How They Interact

Darunavir can interfere with how the body handles many steroids, but prednisone is less affected by this process than other options.

FDA Label Information

Alternative corticosteroids including beclomethasone, prednisone and prednisolone (for which PK and/or PD are less affected by strong CYP3A inhibitors relative to other steroids) should be considered, particularly for long term use.

Frequently Asked Questions

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

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?

Darunavir has 101 labeled pairs on file vs Prednisone's 9. In the minor band specifically: Prednisone has 8 (also Abiraterone, Dolutegravir, Fluconazole, Montelukast); Darunavir has 70 (also Amlodipine, Metoprolol, Sertraline, Rosuvastatin).

What mechanism field is on file for Prednisone and Darunavir?

Darunavir can interfere with how the body handles many steroids, but prednisone is less affected by this process than other options.

Darunavir carries more major-labeled pairs than Prednisone

SPL source-record counts only. This page's band is minor · classes on file: Prednisone (Corticosteroid); Darunavir (HIV Protease Inhibitor).

Darunavir has 15 major-labeled pairs vs Prednisone's 1. This page itself is in the minor band, not the major band.

Prednisone

1 major · 0 moderate · 8 minor · 9 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.