I think Sqad sometimes people don't like to "bother" the GP by questioning their decision and in the case of Valium (didn't see the thread) this lady might have not known that it is a valid treatment for chronic back pain and thought that the doc thought it was "all in her head"
sooo it might have been comforting for her to be told on here that the prescription wa correct, it might also have helped her to hear from folk who have had valium prescribed in this way and found it helpful....and I bet good old GP didn't talk to her about rashes or photosensitivity........