Der er set kraftige interaktioner med svampemidler som ketoconazol, fluconazol, itraconazol og voriconazol, det macrolide antibiotikum erythromycin eller HIV protease inhibitorer (f. eks. ritronavir).
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. ritonavir).