A mood stabiliser and Anti-dep helped me level out a lot more.
Like a yo-yo with a much shorter string, lol!
Therapy helped me through major depression, as well as informing your family and friends that support you. With education, they are able to understand support you more, which is what you need to stay as level as possible.

Are you still newly dx'd? It takes a while to reach that semi-even keel. But you'll get there