Anxiety is very common with bipolar, I have often had the thoughts you are talking about. How's your cycle right now? Depressed? Manic? Unstable? Talk to your doc. Some anxiety meds might help, or you may need your other meds adjusted. You don't have to live like that, though.
Co-Moderator, Bipolar and Depression Forums
"Bipolar disorder can be a great teacher. It's a challenge, but it can set you up to be able to do almost anything else in your life." - CARRIE FISHER