I have taken Lamictal 200mgs per day for almost 2 years, after had being on so many different meds and combos, it has helped me tremendously
It is good that you doc is titrating slowly till you get to 200mgs., you may find after it is at it's full dose you may not even need Lexapro along with it anymore, but that all depends on how it all affects you.
Just sticking my 2 cents in, to tell you my success with Lamictal, I wish you lots of love and luck with things

DE

In giving advice seek to help, not please your friend
SOLON