HELP!!! I have severe panic disorder and anxiety I just was put on Prozac 20 mg I do have Xanax I take 2mg as needed I'm suffering so bad I can't ride in a car or drive anymore I just feel Ike I'm going to die.. My head starts to spin I feel like I'm going to faint or blackout it's so scary the last 3 years I've been confided to my apartment that's it