Since the start of your period, chances are you've had some form of Premenstrual Syndrome or PMS. Doctors estimate that up to three-quarters of women who have periods suffer from PMS symptoms such as food cravings, cramps, sensitive breasts, moodiness, and fatigue. Premenstrual Dysphoric Disorder or PMDD, on the other hand, is a unique condition. It generates emotional and physical symptoms similar to PMS, but it drains women with PMDD. Its symptoms may interfere with your daily activities, such as job, school, social life, and relationships. In short, PMDD is a health disease that is comparable to PMS, but it is more serious. Let’s read on to understand more.