Individualized dosage. 
Adult Hypercholesterolaemia Initially 5 or 10 mg orally once daily. Adjustment of dose to next level can be made after 4 wk, if necessary. Only consider final titration to the max dose of 40 mg in patients w/ severe hypercholesterolaemia at high CV risk (in particular those w/ familial hypercholesterolaemia), who do not achieve treatment goal on 20 mg, & in whom routine follow-up will be performed. 
Prevention of CV events 20 mg daily. 
Childn & adolescents 6-17 yr (Tanner Stage <II-V) w/ heterozygous familial hypercholesterolaemia Initially 5 mg daily, 
10-17 yr w/ heterozygous familial hypercholesterolaemia 5-20 mg orally once daily, 
6-9 yr w/ heterozygous familial hypercholesterolaemia 5-10 mg orally once daily. 
Elderly >70 yr Initially 5 mg.