This report provides an overview of , formerly known as multiple personality disorder . It is a severe psychiatric condition characterized by the presence of two or more distinct identities and significant memory gaps. Clinical Definition and Prevalence

DID is classified in the as a dissociative disorder involving a disruption in identity, memory, and perception.

: Patients often spend 5 to 12.5 years in the mental health system before receiving an accurate diagnosis, often being misdiagnosed with conditions like schizophrenia or bipolar disorder.

: It affects approximately 1% to 1.5% of the global population.

: The disorder is diagnosed more frequently in females, with a female-to-male ratio of roughly 1.75–1.9:1 .