Inclusion Criteria:  Age> 18 years of age. Diagnosis of dyslipidemia. That treatment with the fixed-dose combination of rosuvastatin / ezetimibe is documented. Have security questioning on at least two occasions.  Exclusion Criteria:  Subjects who has taken any other statins, fibrates, bile acid sequestrants, niacin (> 500 mg) or inhibitors of PCSK9 concomitantly during treatment with rosuvastatin / ezetimibe.