5. Patients concomitantly taking ciclosporin, fibrates, amiodarone, amlodipine, verapamil, cytochrome P450 3A4 inhibitors (e.g. itraconazole, ketoconazole, posaconazole, voriconazole), HIV protease inhibitors (e.g. nelfinavir), erythromycin, clarithromycin, telithromycin, nefazodone, gemfibrozil, danazol, fusidic acid, diltiazem or anti-coagulants.