Symptoms of Bipolar Disorder and Its Distinction with Other Disorder

Abstract

Bipolar disorder (BD) is a severe mental disorder and had high prevalence among the world. The overall lifetime prevalence of BP-I, BP-II and subBP are 0.6%, 0.4% and 1.4%, respectively. This article will discuss symptoms, genetic traits, hereditary patterns and treating procedure of BD. Also, differences between BD and other mental disorders and differences between sub types of bipolar disorder will be discussed in this article. For bipolar disorder patients, they will experience manic episode and depressive episode alternatively, with interphase between the two episodes. Differences in etiological agents between BD and other mental disorder lied in difference in expression of allele and environmental factors, such as childhood trauma or stressful environment. Improvement in understanding of the etiological factors and symptoms of the disease could help researchers and psychiatrists to diagnose and treat the patients.