Have you ever felt like a completely different person before your period starts? Like your emotions are louder, heavier, and harder to control? Maybe you snap at someone you care about and later wonder why you reacted that way. Or you feel anxious, overwhelmed, or deeply sad for no clear reason? Many teens experience PMS. But for some, the symptoms go beyond typical mood swings. This is called Premenstrual Dysphoric Disorder (PMDD) . PMDD is not “being dramatic.” It is not “j