Not indicated for patients w/ type I hyperlipoproteinemia, who have elevations of chylomicrons & plasma triglycerides, but who have normal levels of VLDL. Reports of pancreatitis; increases in transaminase levels; muscle toxicity, including rare cases of rhabdomyolysis, w/ or w/o renal failure. Monitor transaminase levels every 3 mth during the 1st 12 mth of treatment & thereafter periodically. Discontinue therapy if AST (SGOT) & ALT (SGPT) levels increase to >3 times ULN or symptoms indicative of hepatitis occur (eg, jaundice, pruritus), & diagnosis is confirmed by lab testing; muscle toxicity is suspected. Treat secondary causes of hyperlipidemia (eg, uncontrolled type 2 DM, hypothyroidism, nephrotic syndrome, dysproteinemia, obstructive liver disease, pharmacological treatment, alcoholism) before considering drug therapy. Caution in patients w/ mild to moderate renal insufficiency. Measure creatinine during the 1st 3 mth after initiation of treatment & periodically thereafter. Not recommended in patients w/ hepatic impairment. Should only be used during pregnancy after careful benefit/risk assessment. Should not be used during breast-feeding. Not recommended in ped <18 yr.