Development of myopathy & rhabdomyolysis w/ other statins. Increased risk of myopathy w/ fibric acid derivatives (fibrates or gemfibrozil), nicotinic acid. Simvastatin, lovastatin; ciclosporin, itraconazole, ketoconazole, erythromycin, clarithromycin, HIV-PIs, nefazodone, amiodarone, verapamil; grapefruit juice.