Abstract: Guidance is offered to physicians and other professionals for making clinical decisions necessary in the treatment of diabetic patients. The approaches presented evolved from the author's 15 years in diabetic medical practice. Where available, scientific evidence supporting the approach is given; where appropriate, the author's personal reasons for using a particular approach are presented. Aspects of diabetes management discussed include: diagnosis, principles of treatment, diet therapy, insulin therapy, diabetic ketoacidosis and hyperosmolar nonketotic coma, office management of the diabetic, diabetic education and the role of emotions in diabetic control. Hypoglycemia of non-diabetic origin is discussed in the final chapter. Each chapter concludes with a practical summary of the foregoing material. These sections provide a concise, ready reference to the problem under consideration. (emc).