The present invention relates to a pharmaceutical composition and method for treating and preventing musculoskeletal and connective tissue diseases of unknown etiology, such as different forms of arthritis and other rheumatic conditions, comprising a combination of therapeutic agents that improve the processes of blood circulation and angiogenesis in the affected tissues, as well as other supporting therapies. Among the components of herein proposed pharmaceutical composition, are: vitamin K, polyunsaturated fatty acids (blood thinner), and niacin (vasodilator and hypolipidemic agent).
