Premenstrual Exacerbation (PME) means that you have a underlying mental illness such as depression, dysthymia, anxiety or eating disorder that is worsens during the luteal phase, thus the time between ovulation and menstruation. Unlike PMDD you have symptoms all the time but worsens by the time PMS/PMDD sets in and therefore often are being mixed up with PMDD. In fact, 40% of everyone that seek help for PMDD actually are estimated to have PME. It’s therefore also important to separate the two disorders in order to get the right treatment and help.
1-3% of all menstruating women are estimated to have PME.
The best way to separate PMDS and PME is to journal your symptoms and mood every day to see whether the symptoms disappear completely at the onset of the period or becomes better but the symptoms still remains.