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 separate personalities that control your behavior at different times.

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 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.

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 …

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 …

Jun 30, 2025 · DID is associated with long-term exposure to trauma, often chronic traumatic experiences during early childhood. It is often misunderstood and portrayed incorrectly in popular media.

May 26, 2021 · You may know this stigmatized condition as multiple personality disorder or split personality. It's real and treatable. Here are the main DID signs and symptoms.

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. …

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