6A22/F21 Schizotypal disorder



The exact cause of Schizotypal Disorder is unknown, although it is thought to be due to a combination of genetic and environmental factors, such as a family history of mental illness or childhood trauma.


A diagnosis of Schizotypal Disorder is made when a person displays at least five of the nine criteria listed in the DSM-5, including significant distortions in thinking, odd beliefs and behaviours, difficulties in forming meaningful relationships, and eccentric behaviour.

Differential diagnosis

Schizotypal Disorder can be mistaken for other mental health disorders such as Schizophrenia, Bipolar Disorder, or Major Depressive Disorder, so it is important to rule out any other potential diagnoses before arriving at a final diagnosis.


Treatment for Schizotypal Disorder usually includes psychotherapy, such as Cognitive Behavioural Therapy or Dialectical Behavioural Therapy, as well as medication such as antipsychotics and antidepressants.


The prognosis for Schizotypal Disorder is generally good, with many people able to manage their symptoms with the right treatment and support. However, it is important to note that symptoms may recur if the person does not continue with treatment.

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