Nirmatrelvir/Ritonavir and Prednisone Interaction

Drug interaction information between Nirmatrelvir/Ritonavir and Prednisone.

Nirmatrelvir/Ritonavir and Prednisone have a documented minor interaction in FDA labeling.

FDA drug labeling documents a minor-severity interaction between Nirmatrelvir/Ritonavir and Prednisone. 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

Nirmatrelvir/Ritonavir

Antiviral (Protease Inhibitor Combination)

Drug B

Prednisone

Corticosteroid

How They Interact

Paxlovid can interfere with how the body processes many steroids, but prednisone is suggested as a safer option to use during treatment.

FDA Label Information

Alternative corticosteroids including beclomethasone, prednisone, and prednisolone should be considered.

Frequently Asked Questions

What SPL severity band is on file for Nirmatrelvir/Ritonavir + Prednisone?

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?

Nirmatrelvir/Ritonavir has 86 labeled pairs on file vs Prednisone's 9. In the minor band specifically: Nirmatrelvir/Ritonavir has 33 (also Atorvastatin, Bupropion, Trazodone, Buspirone); Prednisone has 8 (also Abiraterone, Darunavir, Dolutegravir, Fluconazole).

What mechanism field is on file for Nirmatrelvir/Ritonavir and Prednisone?

Paxlovid can interfere with how the body processes many steroids, but prednisone is suggested as a safer option to use during treatment.

Nirmatrelvir/Ritonavir carries more major-labeled pairs than Prednisone

SPL source-record counts only. This page's band is minor · classes on file: Nirmatrelvir/Ritonavir (Antiviral (Protease Inhibitor Combination)); Prednisone (Corticosteroid).

Nirmatrelvir/Ritonavir has 23 major-labeled pairs vs Prednisone's 1. This page itself is in the minor band, not the major band.

Nirmatrelvir/Ritonavir

23 major · 30 moderate · 33 minor · 86 total

Prednisone

1 major · 0 moderate · 8 minor · 9 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.