The Severity of Obsessive-Compulsive Disorder in Different Episodes of Bipolar Disorder

Background: The relationship between bipolar disorder (BD) and obsessive-compulsive disorder (OCD) is investigated in several studies. According to the reports, the comorbidity of these two-disorders is more than the general population. Objectives: The current study aimed to compare the severity of OCD in different episodes of BD. Methods: This cross-sectional (descriptive-analytic) study included 90 patients referred to Baharan Psychiatric Center affiliated to the Zahedan University of Medical Science in 2019 with a primary diagnosis of BD according to Semi-structured interview (SCID). The Yale-Brown Obsessive-Compulsive scale was used to measure the severity of OCD symptoms in different episodes of BD. Results: The severity of OCD symptoms in the depression group was significantly higher than the manic (P < 0.01) and remission groups (P < 0.01). Conclusions: Mood state influences the severity of obsessive-compulsive symptoms. Since the course of disorder in the comorbidity of these two disorders become chronic and diagnosis, and the OCD is difficult in the manic episode; it is necessary to be aware when diagnosing BD or OCD.