Comorbidity

Dissociative identity disorder frequently co-occurs with other psychiatric diagnoses, such as anxiety disorders (especially post-traumatic stress disorder-PTSD), mood disorders, somatoform disorders, eating disorders, as well as sleep problems and sexual dysfunction.^[3] Dissociative identity disorder has been found to more commonly occur with particular personality disorders including Avoidant Personality Disorder (76% co-morbidity), Self-defeating Personality Disorder (68% co-morbidity), Borderline Personality Disorder (53% co-morbidity) and Passive-Aggressive Personality Disorder (45% co-morbidity).^[68] Schizotypal Personality Disorder also had a 58% crossover with dissociative tendencies.^[68]