Darunavir and Lurasidone Interaction

Drug interaction information between Darunavir and Lurasidone.

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

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

Lurasidone

Atypical Antipsychotic

How They Interact

Darunavir causes lurasidone to build up in the body to unsafe levels.

FDA Label Information

Antipsychotics: lurasidone ↑ lurasidone Co-administration is contraindicated due to potential for serious and/or life-threatening reactions.

Frequently Asked Questions

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

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 Lurasidone's 15. In the major band specifically: Darunavir has 15 (also Lovastatin, Sildenafil, Pimozide, Midazolam); Lurasidone has 5 (also Clarithromycin, Itraconazole, Nirmatrelvir/Ritonavir, Voriconazole).

What mechanism field is on file for Darunavir and Lurasidone?

Darunavir causes lurasidone to build up in the body to unsafe levels.

Darunavir carries more major-labeled pairs than Lurasidone

SPL source-record counts only. This page's band is major · classes on file: Darunavir (HIV Protease Inhibitor); Lurasidone (Atypical Antipsychotic).

Darunavir has 15 major-labeled pairs vs Lurasidone's 5.

Darunavir

15 major · 16 moderate · 70 minor · 101 total

Lurasidone

5 major · 0 moderate · 10 minor · 15 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.