Premenstrual Dysphoric disorder

Premenstrual dysphoric disorder is what I was told I had. Basically I was told that the intense anxiety and alteration in my mood the week before I got my period (for the past year) is due to this PMDD. It’s absolutely agonizing how intense my anxiety becomes my hands shake and I have to take medication to prevent me from having a panic attack. I was wondering if anybody knew about this or heard heard of it or experienced it themselves? I have no idea how to fix