Combinations of therapeutic compounds for prophylaxis or treatment of hyperlipidemia and hyperlipidemia related disorders, such as hypercholesterolemia and the resultant atherosclerosis in a mammal. The combinations are useful for reducing serum cholesterol, and/or cholesteryl ester, triglycerides, phospholipids and fatty acids in a mammal. The methods of the preferred embodiments comprise administering to a mammal a first amount of polychitosamine and a second amount of an HMG-CoA reductase inhibitor (statin).
