Polycythemia can result from internal problems with the production of red blood cells. This is termed primary polycythemia. If polycythemia is caused due to another underlying medical problem, it is referred to as secondary polycythemia.
PMS can last 1-2 weeks. Premenstrual syndrome (PMS) is characterized by a number of symptoms related to a womanâs menstrual cycle. They occur a week or two before monthly menstruation begins, and ordinarily, they disappear at that time.
I have had PMR for a about two years. I belong to a PMR group on another on-line on another site and the common thread in there seems to be that we all had some kind of trauma or a serious of traumas before we got stuck with PMR. I am 54 now, but was 52 at the time.