Considering the comment you are replying to, that amounts to just "shopping" for a psychiatrist that will prescribe you the treatment you want and not the one you need.
I can 100% get behind the idea that you want to find a psychiatrist that understands you or that you "connect" with, but if your gripe with your current one is that he won't prescribe ketamine even though you read online that it might help, I'd say reassess.
I can 100% get behind the idea that you want to find a psychiatrist that understands you or that you "connect" with, but if your gripe with your current one is that he won't prescribe ketamine even though you read online that it might help, I'd say reassess.