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

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

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, …

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 …

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.

What is dissociative identity disorder? Individuals with DID often also suffer from other mental illnesses, including posttraumatic stress disorder (PTSD), borderline and other personality …

In dissociative identity disorder, formerly called multiple personality disorder, 2 or more identities alternate being in control within the same person. These identities may have speech, …

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 …

Dissociative identity disorder (DID) is best known for alters, dissociated parts of the personality that the individual with DID experiences as separate from themself.

Jul 27, 2025 · This guide illuminates DID systems through the dual lens of evidence-based research and lived experience, offering practical pathways toward integration and recovery.