Co-morbidity of obsessive-compulsive disorder and other anxiety disorders with child and adolescent mood disorders

Objective: To assess the co-morbidity of obsessive-compulsive disorder (OCD) and other anxiety disorders in child and adolescent mood disorders. Methods: A total of 100 patients aged < 18 years with mood disorders according to the DSM-IV-TR were screened for OCD and other anxiety disorders using Schedule for Affective Disorders and Schizophrenia for School-Age Children-Present and Lifetime version. Results: The prevalence of co-morbid anxiety disorders was 22%; OCD was present in 4%, and subthreshold obsessive-compulsive symptoms were present in 2%. Among others, 8% had panic disorder, 7% had generalised anxiety disorder, 3% had separation anxiety disorder, and 1% had social phobia; multiple anxiety disorders were present in 3% of patients. Conclusion: Co-morbid anxiety disorder was found in one-fifth of children and adolescents with mood disorder.