Doctors still find it difficult to diagnose this mental illness, as not long ago, it was often confused with Unipolar Disorder Schizophrenia. However, in today's world, there is a better understanding of mental illness. Psychiatrists usually base the diagnosis on abnormal behavior reported by the patient's parents, teachers, or close friends. Psychotherapy is also a very useful tool for a diagnoses. Signs detected during sessions are taken into consideration. Along with evaluations, there are physical exams such as blood tests an during tests, which was typically used although talking things out with a doctor or professional is the most useful tool. They are able to take notes on symptoms as well as determining severity and frequency of episodes.
