The Depersonalization Derealization Syndrome is relatively common and is more likely to occur when certain risk factors are present.

Patient selection: depersonalization and derealization not due to a psychotic disorder


Risk factors:

(1) adverse drug effect

(2) anxiety, phobia or panic attack

(3) depression

(4) head trauma

(5) if half asleep

(6) migraine headache

(7) physical or mental exhaustion, including burnout

(8) post-traumatic stress disorder

(9) recreational drug intoxication, including alcohol misuse

(10) schizotypal personality disorder

(11) temporal lobe epilepsy


Sometimes no cause is precipitating cause is found (idiopathic).

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