Metabolic and vascular disorders especially cerebral and peripheral vascular insufficiency and intermittent claudication. Age-associated memory impairment, vertigo. For asthma and other inflammatory and allergic disorders, and also in immune disorders such as endotoxic shock and graft rejection. It reduces the Platelet Activating Factors of blood (PAF antagonist) and arteriosclerosis. It is also being investigated in Alzheimer’s disease.