All women should check out this article to start to understand Premenstrual Dysphoric Disorder (PMDD) more - according to the article, up to 10% of women who have periods experience more severe symptoms which could fall under this diagnosis. Common symptoms include: anger/irritability, anxiety/panic attacks, difficulty concentrating, changes in appetite, insomnia, mood swings, heaches, fatigue/low energy, depression or suicidal thoughts, feeling overwhelmed, tense, or on edge