A method and composition for blood lipid therapy by administering to the subject an effective amount of a dyslipidemic agent and omega-3 fatty acids. The method utilizes a single administration or a unit dosage of a combination of dyslipidemic agent and omega-3 fatty acids for the treatment of patients with hypertriglyceridemia, hypercholesterolemia, mixed dyslipidemia, coronary heart disease (CHD), vascular disease, artherosclerotic disease and related conditions, and the prevention or reduction of cardiovascular and vascular events.