Dissociative identity disorder (DID) is a mental health condition where you have two or more separate personalities that control your behavior at different times.

In controlled studies, non-specialised treatment that did not address dissociative self-states did not substantially improve DID symptoms, though there may be improvement in patients' other conditions.

Sep 21, 2021 · Dissociative identity disorder (DID) is a rare condition in which two or more distinct identities, or personality states, are present in—and alternately take control of—an individual.

Aug 12, 2025 · When you have DID, you have two or more separate identities called “alters.” They control your behavior at various times. Each alter has its own personal history, traits, likes, and dislikes.

Oct 4, 2025 · If you or someone you know has DID and is experiencing thoughts of suicide or self-harm, please call or text the National Suicide Prevention Lifeline at 988 for free and confidential support 24/7.

Dissociative Identity Disorder - Learn about the causes, symptoms, diagnosis & treatment from the Merck Manuals - Medical Consumer Version.

Jul 3, 2025 · If you or someone you know is struggling with symptoms of DID or related trauma, seek help from a qualified mental health professional experienced in treating dissociative disorders. …