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 alcohol withdrawal last in cases of delirium tremens? It can last for minutes, hours, days, even weeks. Most acute episodes are resolved within five days. Each case is different, however, making it difficult to predict precisely when and for how long the DTs will last, if they occur at all.