Perform LFTs before initiation of treatment & every 3 mth during the 1st 12 mth of treatment & periodically thereafter. Monitor transaminase levels; if increase in transaminases of >3x ULN persist, dose reduction or w/drawal is recommended. May cause myalgia, myositis, & myopathy that may progress to rhabdomyolysis. Measure creatine kinase level before starting treatment in patients w/ renal impairment, hypothyroidism, personal/familial history of hereditary muscular disorders, previous history of muscular toxicity w/ statin or fibrate, previous history of liver disease &/or where substantial quantities of alcohol are consumed, elderly (>70 yr) according to the presence of other predisposing factors for rhabdomyolysis, situations where an increase in plasma levels may occur. Not recommended in childn & adolescents <18 yr. Atorvastatin: Patients who consume substantial quantities of alcohol &/or have history of liver disease. Patients w/ prior hemorrhagic stroke or lacunar infarct; increased risk of hemorrhagic stroke. Concomitant use w/ potent inhibitors of CYP3A4 or transport proteins (eg, ciclosporine, telithromycin, clarithromycin, delavirdine, stiripentol, ketoconazole, voriconazole, itraconazole, posaconazole & HIV PIs including ritonavir, lopinavir, atazanavir, indinavir, darunavir). Risk of myopathy w/ gemfibrozil & other fibric acid derivates, boceprevir, erythromycin, niacin, ezetimibe, telaprevir, or combination of tipranavir/ritonavir. Do not administer w/ systemic formulations of fusidic acid or w/in 7 days of stopping fusidic acid treatment. Discontinue statin therapy if patient has developed ILD. Monitor patients at risk of hyperglycemia & DM. Fenofibrate: Secondary cause of hypercholesterolemia eg, uncontrolled type 2 DM, hypothyroidism, nephrotic syndrome, dysproteinemia, obstructive liver disease or alcoholism should be treated prior to therapy. Determine if the hyperlipidemia is of primary or secondary nature (possible elevation of lipid values caused by the therapeutic agents). Discontinue therapy when symptoms indicative of hepatitis occur (eg, jaundice, pruritus), & diagnosis is confirmed by lab testing. Pancreatitis. Mild to moderate renal insufficiency.