Dissociative identity disorder (DID), formerly known as multiple personality disorder and split personality disorder, is a mental health condition where you have two or more separate identities.

A sharp decline in cases followed, and the disorder was reclassified as "dissociative identity disorder" (DID) in DSM-IV. [7] In the 2020s, an uptick in DID cases followed the spread of viral …

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.

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 …

2 days ago · Having a split personality or multiple personalities means you have more than one distinct identity. The clinical term for this condition is dissociative identity disorder (DID). Learn …

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 …

Because DID has been misunderstood and is hard to detect, it is often called a rare condition. In fact, DID occurs in approximately 1% of the general population.

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Jul 3, 2025 · DID is fundamentally a trauma-related disorder that typically develops during early childhood as a response to severe, chronic abuse or trauma. The condition involves …