The presenting features all include temporary alterations in the individual's relation to reality, with dissociative amnesia presenting with partial or complete loss of memory for psychologically stressful events; dissociative fugue state presenting with sudden, unexplained travel with inability to recall features of one's past or identity; and dissociative identity disorder presenting with 2 or more distinct personalities (formally multiple personality disorder).
Dissociative amnesia and fugue must be differentiated from transient global amnesia. Dissociative disorders can be transient or recurrent. Treatment includes psychotherapy and medication.
F44.9 – Dissociative and conversion disorder, unspecified
44376007 – Dissociative disorder