Could you tell me what happens if bipolar disorder goes untreated for a long time?

Get Evaluated: You deserve a credible comprehensive evaluation. Bipolar disorder is not a single entity and not the easiest to diagnose. Please see a board certified psychiatrist for an evaluation. Soon! don't worry, being diagnosed and treated is way better than not. We are learning so much about this disorder that today is the best day in history to be diagnosed, tomorrow will be better. We also know that in some forms of bipolar disorder, the fluctuations in mood if they are severe, can actually cause physical brain degeneration. This is a disorder if untreated tends to get worse over the course of a persons life. If treated, most bipolar patients if compliant, can't be picked out of acrowd.