Grandma grew up in a different age when these types of things weren't as well understood and few if any form of treatment available.

She needs to understand that things have changed and that help and treatment is available. It is unlikely that she will change though. A lot of families are still "stuck" in this way of thinking. But to think that her fear of "embarrassing the family" should take precedence of becoming and staying healthy, well, that is just selfish and ridiculous. Don't let her way of thinking effect your decisions for pursuing health and treatment. Do it her way, she is spared embarrassment and you suffer needlessly. Do it the right way and you feel your best and she suffers a little embarrassment (embarrassment of her own making, for feeling ashamed of something that should have no shame attached to it forever.) Everyone suffers a little embarrassment in their lives. Let her deal with it.

I am glad that your mother understands, hopefully she is a source of support for you.

>>u cant be a psych if ur bipolar.

This is a bold statement that is easily refuted by fact. Maybe you can try some web research, or get some info on that from your own doctor. You can show them that they have no idea what they are talking about. They may never be convinced but at least you will have your own piece of mind about it.