I guess he prescribes it for her because he is her primary care physician. I know him socially (not a friend, but belongs to my temple) and he is a good doc, but I think it needs to be monitored.
Jobob, my friend has had counseling in the past, when things were really bad in her marriage and when there were kid issues. That was quite awhile ago. It is a long and complicated story. I truly think that she knows she has issues, but she is so rigid in her thinking that she just says, well, this is the way it is. Eventually, I may say something to her, but even as a therapist in training, I know I shouldn't be "counseling" a friend. For me, it's a situation of not being able to cut off ties all the way, for many reasons, but not being able to stand being around her, either. So, I limit my phone calls to 1-2x a month and we rarely get together socially as opposed to in the past. She also has ADD and can't remember anything. It's getting worse, or maybe I didn't notice it before. If something was a certain way, like 10-15 years ago, that's how she remembers it. Like, if when my son was 12, he liked something or did something, then she thinks thats how it is today, even though he's an adult. She thinks she has to do things the way "mommy and daddy (her words)" did them, even though, she overtly hostile to her mother and says how judgmental and demanding she is; guess what? She is exactly the same.
OK, enough of my example. I will end with this: She came to yoga with me one time last year. At the end, she said, "Oh, I never get this relaxed. This is really great." I told her that's a good reason to practice yoga and that it might help her in various ways. Her reply was, "Oh, I don't really believe in this stuff."