It really is best for family members to not treat other family members. I feel for you being in the position you are in. I would hope that at least one other psychiatrist in your area would recognize that it's best to not treat family members and thus see it as logical for you to seek help outside your family and also to keep it confidential, as he or she should do, if he or she is any kind of professional.

By the way, I suffer from chronic depression, which is one reason I chose the word "blue" in my name.

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Communication is the key.