i would suggest that she see a different doctor for a second opinion. if she thinks her current doctor isn't helping in the way that she needs, then she should be seeking a second opinion. psychiatrists need time to get a proper med cocktail worked out - if she does take this psychiatrist's advice and changes her regime, then it wouldn't be ethical unless the forum-psychiatrist knew she was receiving appropriate follow up with another psychiatrist. is this forum member letting her primary psychiatrist know she is seeking a second opinion? if she decides to change meds will she be going back to her first psychiatrist?

imo, there isn't a distinction to be made between "Therapy" and "medication" consultations. the psychiatrist's association in australia has a big ethical guideline against dual relationships and this does constitute a dual relationship.