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

In controlled studies, non-specialised treatment that did not address dissociative self-states did not substantially improve DID symptoms, though there may be improvement in patients' other conditions.

If you have DID, you may find yourself doing things you wouldn't normally do, such as speeding, reckless driving, or stealing money from your employer or friend.

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 well as conversion disorder.

Dissociative identity disorder (DID) is a mental health condition with strong links to trauma, especially trauma in childhood. Understanding the causes can help you manage this condition.

DID is complex—but with the right knowledge, clinicians, caregivers, and communities can play a meaningful role in healing. This on-demand session clarifies DID’s clinical realities, reduces stigma, and offers grounded, evidence-based strategies for support.

"DID is meant to be a hidden disorder — and it is for a majority of diagnosed individuals — that's developed to help protect you from the source of the trauma you experienced.