> > He saw his neurologist early on in the deterioration, when he was > quite cogent in his responses to the doctor's questions, so the doctor > thought that his symptoms were mild. Today, his family physician > saw such a dramatic change that she has ordered a CATSCAN. In the interim, > the psychiatrist who prescribed Prozac took him off it, thinking it may > have been responsible. > > The family's understanding has been that the onset of dementia is slow > in Parkinson's and that it is expected after many years of illness. > Is it possible that the dementia that sometimes accompanies PD > could come so quickly and so overwhelmingly? Or should we be looking > for other explanations? Any experiences or pointers to relevant information > would be much appreciated. > > George, It sounds like your doctors are on top of the situation. Rapid onset dementia usually has a cause other than PD. Drug incompatibitities or the possibility of some other organic brain disease need to be ruled out. ------ Mary Ann Zippo's mom.