While trying to correct the perceived problem,

 

you may have exacerbated it into a bigger one.

She needs more love from you, not more criticism and corrective measures.

If her anxiety develops into panic attacks, that is because her fight/flight trigger tells her to run, but the situation she is in does not allow her to leave.  Why does she want to run away?

Make sure you are not projecting your own shortcomings onto her and distracting yourself from unpleasant feelings by focusing on her faults.  Look into your own life and see what is amiss and don't let her carry that burden for you.  You need to take care of yourself first before you can take care of others.