Patients who consume excessive quantities of alcohol &/or have history of liver disease. Carry out liver function tests prior to & 3 mth following the initiation of treatment. Discontinue treatment or reduce the dose if the level of serum transaminases is >3 times the upper limit of normal. Patients w/ secondary hypercholesterolemia due to hypothyroidism or nephrotic syndrome. Skeletal muscle effects eg, uncomplicated myalgia, myopathy & rarely rhabdomyolysis in patients treated w/ >20 mg dose. Patients should report inexplicable muscle pain or weakness immediately particularly if associated w/ malaise or fever. Measure creatinine kinase levels. Discontinue treatment if creatinine kinase levels >5 times the upper limit of normal or if muscular symptomes are severe & caused daily discomfort even if creatinine kinase levels ≤5 times the upper limit of normal. Treatment should not be initiated if repeat test confirms baseline creatinine kinase levels >5 times the upper limit of normal. Concomitant use w/ fibrate in 40 mg dose treatment is contraindicated. Patients w/ pre-disposing factors for myopathy/rhabdomyolysis eg, renal impairment, hypothyroidism, personal or family history of hereditary muscular disorders, previous history of muscular toxicity w/ another HMG-CoA reductase inhibitor or fibrate, alcohol abuse, elderly >70 yr, cases that may increase plasma levels & concomitant use w/ fibrate. Not to be used in patients w/ acute serious condition suggestive of myopathy or predisposing to the development of renal failure secondary to rhabdomyolysis eg, sepsis, hypotension, major surgery, trauma, severe metabolic, endocrine & electrolyte disorders, or uncontrolled seizures. Increased HbA1c & serum glucose levels. Patients at high risk for developing for diabetes. Dizziness may occur that may impair ability to drive & operate machinery. Discontinue treatment during pregnancy.