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, …

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 …

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 …

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 …

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 …

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 …

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