BF you should let whoever is the go-to person in the doctor's office know that you have already been dieting if you haven't already. They may want to talk to you about making more changes to your diet (sometimes they have printed guidelines) or putting you on a med.
It's really hard to deal with medical problems, especially new ones, when you're already struggling with bipolar disorder. It can be very overwhelming…
You do have these new problems, but they are common, and you are doing what you need to to take care of yourself. Try to remember that when you can

