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.
Your doctor will want you to keep a written record of your symptoms for 2 to 3 months. This is called a menstrual diary. It can help you track when your symptoms start, how bad they are, and how long they last. Your doctor can use this diary to help diagnose PMS. A few lifestyle changes will probably help you feel better. 1  Eat a variety of healthy foods, especially foods rich in calcium.