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.
How long does a stroke last, is a secondary issue, and solely depends on the personâs will and body resistance. On the other hand, TIAâs existing period can be for hours or even minutes but mostly within a day (24 hours). How long does a stroke last also correlates with its symptoms.