I dont know about the former, but I haven't had any problems with marijuana.
There are no known drug interactions between Lexapro and Nuvaring
Yes it can. You can read all about the side effects of Lexapro in the link below.
No.
Marijuana is a drug. So yes, by definition, it affects you.
Marijuana may cause memory loss.
It doesn't
YES
it doesnt
it doesn't!
Yes
Yes
Lexapro (generic name = escitalopram) is primarily metabolized in the liver. Only secondarily is it excreted in the the urine. Individuals who have had kidney transplants are generally able to take medications such as Lexapro. Of course, the prescribing physician should be consulted first.