Hi Yolie. I was prescribed 10 mg of Lexapro and yr. or so ago in hopes to reduce the anxiety that was provoked by the PVCs I was experiencing. I only took it for a short time (3 weeks); so, I probably wouldn't be of too much help. I'm hoping someone else will see and reply to your post.
I've heard that it has been very helpful to others. In my case, I weaned off and discontinued (per doctor instructions) because of certain undesireable side affects.
Blessings and Pleasant thoughts to you.