Darunavir and Fluticasone Interaction

Drug interaction information between Darunavir and Fluticasone.

Darunavir and Fluticasone have a documented moderate interaction in FDA labeling.

FDA drug labeling documents a moderate-severity interaction between Darunavir and Fluticasone. 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

Darunavir

HIV Protease Inhibitor

Drug B

Fluticasone

Corticosteroid

How They Interact

Darunavir blocks the body from breaking down fluticasone, which can lead to very high steroid levels in your blood. This can cause serious hormone problems like Cushing's syndrome.

FDA Label Information

betamethasone budesonide ciclesonide fluticasone methylprednisolone mometasone triamcinolone ↑ corticosteroids Co-administration with corticosteroids (all routes of administration) of which exposures are significantly increased by strong CYP3A inhibitors can increase the risk for Cushing's syndrome and adrenal suppression.

Frequently Asked Questions

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

Compiled FDA labeling labels this pair moderate. 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 Fluticasone's 7. In the moderate band specifically: Darunavir has 16 (also Omeprazole, Apixaban, Clopidogrel, Quetiapine); Fluticasone has 2 (also Nirmatrelvir/Ritonavir).

What mechanism field is on file for Darunavir and Fluticasone?

Darunavir blocks the body from breaking down fluticasone, which can lead to very high steroid levels in your blood. This can cause serious hormone problems like Cushing's syndrome.

Darunavir carries more major-labeled pairs than Fluticasone

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

Darunavir has 15 major-labeled pairs vs Fluticasone's 0. This page itself is in the moderate band, not the major band.

Darunavir

15 major · 16 moderate · 70 minor · 101 total

Fluticasone

0 major · 2 moderate · 5 minor · 7 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.