Okay here is some advice from me. I have gone through similar (not the same) things recently.

1. If you hate it, you are right to leave. Don't let others convince you to stay in a career that your heart is not in.

2. Do you really hate the career or do you hate yourself? Please examine this issue before taking action on anything else.

3. Do see a psychologist, at least to see what it is like. You have nothing to lose, and you can certainly refuse medication in favor of talk therapy only. You'd be surprised what you are repressing and denying. Therapy sucks, take it from me, but nobody can force pills down your throat except you, so remember who's in the power seat, and you can get what you want out of therapy.

4. Where does your anxiety stem from? If you can't deal with this issue head-on, early on in life, it will come back to bite you in the ass later on. Get thee to professional help if you can't grapple with these issues alone.

5. Sometimes in life, you've got to kick yourself in the ass, because nobody else is willing to do it for you.