Sorry you feel so lousy, I never had that problem, but my sister does. She says she feels absolutely crazy around that time of the month, I can vouch for that. Her doctor upped her meds and she is much better now. I think our hormones play a big part in our anxiety, so being more ancious around your cycle may be normal for you. Maybe you should let you doctor know what's going on, I'm sure s/he will be able to help.
Take Care of Yourself