Dissociative identity disorder (DID), previously known as multiple personality disorder (MPD), is characterized by the presence of at least two personality states or "alters".

Jun 7, 2024 · Dissociative identity disorder (DID) is a mental health condition where you have two or more interchangeable personalities. It’s usually the result of past trauma.

Aug 11, 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.

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.

Oct 4, 2025 · Severe and repetitive childhood trauma often causes dissociative identity disorder (DID). You can have multiple identities that function independently if you have DID. Proper treatment can …

DID often co-occurs with other emotional conditions, including posttraumatic stress disorder (PTSD), borderline personality disorder (BPD), and a number of other personality disorders, as well as …

Jun 30, 2025 · Dissociative identity disorder (DID) is a type of dissociative disorder. It most often develops in early childhood among children who experience long-term trauma, such as emotional, …

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. …

Nov 22, 2022 · Dissociative identity disorder (DID) is a rare mental health condition that is characterized by identity and reality disruption. Individuals with DID will exhibit two or more distinct personality …

Dissociative identity disorder (multiple personality disorder) is a condition characterized by disrupted identity formation due to trauma. Learn more.