A disorder characterized by the presence of two or more distinct personality states.
Dissociative identity disorder, previously called multiple personality disorder, is usually a reaction to trauma as a way to help a person avoid bad memories.
Rare
Fewer than 200,000 US cases per year
Treatment can help, but this condition can't be cured
Chronic: can last for years or be lifelong
Requires a medical diagnosis
Lab tests or imaging not required
Requires a medical diagnosis
Dissociative identity disorder is characterized by the presence of two or more distinct personality identities. Each may have a unique name, personal history, and characteristics.
People may experience:
Behavioral: impulsivity, self-destructive behavior, or self-harm
Mood: anxiety, feeling detached from self, or mood swings
Psychological: altered consciousness, depression, or flashback
Also common: amnesia or blackout
Treatments: Thereapy
