Adjunct to diet for patients w/ elevated total cholesterol (total-C), LDL-C, Apo B & triglycerides (TG) & to increase HDL-C in patients w/ primary hypercholesterolemia (heterozygous familial & non-familial), combined (mixed) hyperlipidemia (Fredrickson types IIa & IIb), elevated serum TG levels (Fredrickson type IV) & for patients w/ dysbetalipoproteinemia (Fredrickson type III) who inadequately respond to diet. Reduction of total-C & LDL-C in patients w/ HoFH. Prevention of CV disease w/o clinically evident CHD but w/ multiple risk factors eg, age, smoking, HTN, low HDL-C, or family history of early CHD to reduce risk of MI, stroke, revascularization procedures & angina. Type 2 diabetes w/o clinically evident CHD but w/ multiple risk factors eg, retinopathy, albuminuria, smoking or HTN to reduce risk of MI & stroke. Patients w/ clinically evident CHD to reduce risk of non-fatal MI, fatal & non-fatal stroke, revascularization procedures, hospitalization for CHF & angina. Adjunct to diet to reduce total-C, LDL-C & Apo B levels in boys & postmenarchal girls 10-17 yr w/ heterozygous familial hypercholesterolemia if after adequate diet therapy LDL-C remains ≥190 mg/dL or ≥160 mg/dL & there is +ve family history of premature CV disease or ≥2 other CV disease risk factors.