Dissociative identity disorder (DID) is a mental health condition where you have two or more separate personalities that control your behavior at different times. What is dissociative identity disorder? Individuals with DID often also suffer from other mental illnesses, including posttraumatic stress disorder (PTSD), borderline and other personality disorders, and conversion disorder.
DID is a severe form of dissociation, a mental process that produces a lack of connection in your thoughts, memories, feelings, actions, or sense of identity.
