Personality disorder - schizotypal
Schizotypal personality disorder (SPD) is a mental condition in which a person has trouble with relationships and disturbances in thought patterns, appearance, and behavior.
The exact cause of SPD is unknown. Many factors may be involved:
SPD should not be confused with schizophrenia. People with SPD can have odd beliefs and behaviors, but unlike people with schizophrenia, they are not disconnected from reality and usually do not hallucinate. They also do not have delusions.
People with SPD may be very disturbed. They may also have unusual preoccupations and fears, such as fear of being monitored by government agencies.
More commonly, people with this disorder behave oddly and have unusual beliefs (such as aliens). They cling to these beliefs so strongly that they have difficulty forming and keeping close relationships.
People with SPD may also have depression. A second personality disorder, such as borderline personality disorder, is also common. Mood, anxiety, and substance use disorders are also common among people with SPD.
Common signs of SPD include:
SPD is diagnosed based on a psychological evaluation. The health care provider will consider how long and how severe the person's symptoms have been.
Talk therapy is an important part of treatment. Social skills training can help some people cope with social situations. Medicines may also be a helpful addition if mood or anxiety disorders are also present.
SPD is usually a long-term (chronic) illness. Outcome of treatment varies based on the severity of the disorder.
Complications may include:
See your provider or a mental health professional if you or someone you know has symptoms of SPD.
There is no known prevention. Awareness of risk, such as a family history of schizophrenia, may allow early diagnosis.
American Psychiatric Association. Personality disorders. Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR). Washington, DC: American Psychiatric Association Publishing; 2022.
Blais MA, Smallwood P, Groves JE, Rivas-Vazquez RA, Hopwood CJ. Personality and personality disorders. In: Stern TA, Fava M, Wilens TE, Rosenbaum JF, eds. Massachusetts General Hospital Comprehensive Clinical Psychiatry. 2nd ed. Philadelphia, PA: Elsevier; 2016:chap 39.
Rosell DR, Futterman SE, McMaster A, Siever LJ. Schizotypal personality disorder: a current review. Curr Psychiatry Rep. 2014;16(7):452. PMID: 24828284 pubmed.ncbi.nlm.nih.gov/24828284/.
BACK TO TOPReview Date: 11/6/2022
Reviewed By: Fred K. Berger, MD, addiction and forensic psychiatrist, Scripps Memorial Hospital, La Jolla, CA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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