Itraconazole and Midazolam Interaction

Drug interaction information between Itraconazole and Midazolam.

Itraconazole and Midazolam have a documented major interaction in FDA labeling.

FDA drug labeling documents a major-severity interaction between Itraconazole and Midazolam. 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

Itraconazole

Azole Antifungal

Drug B

Midazolam

Benzodiazepine

How They Interact

Itraconazole blocks the breakdown of midazolam, making its calming effects much stronger and potentially dangerous.

FDA Label Information

Antipsychotics, Anxiolytics and Hypnotics Alprazolam a Midazolam (IV) a Aripiprazole a Quetiapine Buspirone a Cariprazine Ramelteon Diazepam a Risperidone a Haloperidol a Suvorexant Monitor for adverse reactions. Lurasidone Midazolam (oral) a Pimozide Triazolam a Contraindicated during and 2 weeks after itraconazole treatment.

Frequently Asked Questions

What SPL severity band is on file for Itraconazole + Midazolam?

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?

Itraconazole has 116 labeled pairs on file vs Midazolam's 39. In the major band specifically: Itraconazole has 19 (also Isavuconazonium, Lurasidone, Pimozide, Methadone); Midazolam has 3 (also Darunavir, Nirmatrelvir/Ritonavir).

What mechanism field is on file for Itraconazole and Midazolam?

Itraconazole blocks the breakdown of midazolam, making its calming effects much stronger and potentially dangerous.

Itraconazole carries more major-labeled pairs than Midazolam

SPL source-record counts only. This page's band is major · classes on file: Itraconazole (Azole Antifungal); Midazolam (Benzodiazepine).

Itraconazole has 19 major-labeled pairs vs Midazolam's 3.

Itraconazole

19 major · 20 moderate · 77 minor · 116 total

Midazolam

3 major · 9 moderate · 27 minor · 39 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.