13. Concomitant medication contraindicated for use with simvastatin due to drug interaction associated with increased risk of rhabdomyolysis (including, but not limited to): itraconazole, ketoconazole, posaconazole, erythromycin, clarithromycin, telithromycin, HIV protease inhibitors (eg, nelfinavir), nefazodone, cyclosporine, danazol, gemfibrozil, amiodarone, amlodipine.