Several correspondents (David Ambuel and Don Penny) have raised questions concerning low blood pressure in PD, and the postural dizziness that seems to occur in such people. If there is no contraindication to such (like congestive heart failure), raising of the salt intake of the diet may help. In addition, there is a steroid hormone called Florinef (a derivative of a natural substance) that causes retention of salt (obviously not good for people with certain types of heart disease) which can help. I have some vague recollection, also, of Ephedrine being used for this, but have no experience with such. Bob Fink