To Explore the Treatment Effect of Various Commercially Available Statins on Patients With Hyperlipidemia

Inclusion Criteria: * patients diagnosed with hyperlipidemia * Patients who are just starting a statin treatment, who need to switch from current therapy to a statin medication, or who are receiving dosage adjustment of statin as judged by the physicians * Patients who are willing to participate in this study and who sign an informed consent form Exclusion Criteria: * Pregnancy or breast feeding * Patient are illiterate or unable to fill the questionnaire for any reason * Patients with contraindications to the use of certain statins as needed prescribed by physicians (as per commercially available statins package insert) including the use of rosuvastatin. * Any clinical condition which, in the opinion of the attending physician, would not allow safe administration of the study medications