Use in patients w/ hepatic disease is contraindicated. Evaluate liver function prior to therapy & after 6 & 12 wk of treatment. Examine for liver function every 6 mth in patients receiving long-term therapy. Discontinue use if transaminase level is 3x ULN; if serious liver injury &/or hyperbilirubinemia or jaundice occurs. Concomitant use w/ digoxin or warfarin; azole antifungals (eg, ketoconazole, itraconazole), macrolides (eg, erythromycin, clarithromycin), HIV PIs (eg, indinavir, ritonavir, nelfinavir, saquinavir), verapamil, diltiazem, gemfibrozil, nicotinic acid, cyclosporine, amiodarone; colchicine especially for elderly or w/ renal impairment; gemfibrozil. Risk of rhabdomyolysis is increased by use of high dosage, elderly patients, patients w/ hepatic or renal impairment, chronic alcohol intake, hypothyroidism. Risk of hyperglycemia. Heavy alcohol use, recent history or suspected liver disease. Preexisting amyotrophic lateral sclerosis. Temporarily withhold or discontinue in any patients w/ predisposing conditions to renal failure secondary to rhabdomyolysis. Patients <8 yr.