Der er set kraftige interaktioner med svampemidler som ketoconazol, fluconazol, itraconazol og voriconazol, det macrolide antibiotikum erythromycin eller HIV- protease- hæmmere (f. eks. ritonavir).
Strong interactions have been observed with antifungal agents such as ketoconazole, fluconazole, itraconazole and voriconazole, the macrolide antibiotic erythromycin or HIV protease inhibitors (e. g.