She might only give you free samples one more time? Then give you a script to take to a pharmacy...You may want to get clarification...

You should be out far enough in time that the Lexapro is at its full effect? Are you at 10 mg? or 20mg?

I found agitation was a side effect for me on lexapro and move to something else...

I would suggest putting a call in to her and discuss dosing first...