- Concomitant treatment with : Kétoconazole, Itraconazole, Ciclosporine, Erythromycine, Cimétidine, Quinidine, Diltiazem, Vérapamil, systemic corticosteroids, Phénobarbital, Phénytoïne, Carbamazépine, Rifampicine, Lansoprazole