Comorbidity in obsessive–compulsive disorder (OCD): A report from the International College of Obsessive–Compulsive Spectrum Disorders (ICOCS)

Obsessive-compulsive disorder (OCD) is often associated with significant psychiatric comorbidity. Comorbid disorders include mood and anxiety disorders as well as obsessive-compulsive spectrum disorders (OCSDs). This paper aims to investigate comorbidity of DSM Axis I-disorders, including OCSDs, in patients with OCD from 10 centers affiliated with the International College of Obsessive-Compulsive Spectrum Disorders (ICOCS).This is a...