Itraconazole and Ivabradine Interaction

Drug interaction information between Itraconazole and Ivabradine.

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

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

Ivabradine

HCN Channel Blocker

How They Interact

Itraconazole stops your body from processing ivabradine, which can lead to a risky buildup of the heart medication.

FDA Label Information

Cardiovascular Drugs, Miscellaneous Ivabradine Ranolazine Contraindicated during and 2 weeks after itraconazole treatment.

Frequently Asked Questions

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

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 Ivabradine's 10. In the major band specifically: Itraconazole has 19 (also Isavuconazonium, Lurasidone, Pimozide, Methadone); Ivabradine has 4 (also Darunavir, Nirmatrelvir/Ritonavir, Voriconazole).

What mechanism field is on file for Itraconazole and Ivabradine?

Itraconazole stops your body from processing ivabradine, which can lead to a risky buildup of the heart medication.

Itraconazole carries more major-labeled pairs than Ivabradine

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

Itraconazole has 19 major-labeled pairs vs Ivabradine's 4.

Itraconazole

19 major · 20 moderate · 77 minor · 116 total

Ivabradine

4 major · 2 moderate · 4 minor · 10 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.