Increased risk of myopathy w/ concurrent administration of cyclosporine, fibric acid derivatives, lipid-modifying doses of niacin or CYP450 3A4 inhibitors (eg, erythromycin & azole antifungals). Increased plasma conc w/ CYP450 3A4 inhibitors (eg, cyclosporine, erythromycin/clarithromycin, PIs, diltiazem HCl, cimetidine, itraconazole, grapefruit juice). Reduced plasma conc w/ CYP450 3A4 inducers (eg, efavirenz, rifampin). Antacids, colestipol, digoxin, oral OCs, colchicines, fusidic acid.