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Paranoid personality disorder

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Fast facts

What is paranoid personality disorder?

Paranoid personality disorder is a mental health condition characterized by a chronic distrust of friends, strangers, family and authority figures.

As with other personality disorders, paranoid personality disorder involves a long-standing and ongoing pattern of behavior, so it is typically diagnosed in adulthood. Although considered a lifelong condition, the symptoms typically decrease in intensity with age; for most people with the condition, symptoms grow milder by the time they reach their 40s or 50s.

Causes

There is no single factor that causes the development of paranoid personality disorder. Instead, it is thought to be due to a complex relationship between social factors (how a person acts with their family and friends during childhood), genetics and temperament.

Some healthcare professionals think that this disorder may be a learned behavioral response that can be traced back to a person's childhood. It is thought that a child who is exposed to an environment in which an adult has unpredictable episodes of anger and rage may not have the mechanisms to cope or escape, so instead develops a paranoid way of thinking as a way to deal with the stressful episodes.

Risk factors

Some factors that may increase the risk of developing paranoid personality disorder include:

  • A family history of mental health conditions such as schizophrenia, or delusional disorder, and;
  • Experiencing a traumatic event during childhood.

Signs and symptoms

The patterns of paranoid thought and behavior tend to form during adolescence.

In adolescents the symptoms can include:

The typical symptoms in adults can include:

People with paranoid personality disorder do not experience psychosis, nor are they delusional; instead, they are convinced that others are out to get them, or to humiliate them, which leads them to act with hostility and become socially isolated.

Methods for diagnosis

Diagnosis of paranoid personality disorder can be difficult, as there is no test that can confirm whether a person has the condition. A diagnosis is usually made by a specialist (psychiatrist), based on a person's medical history and a psychological assessment. The specialist may ask questions about the person's childhood, school, work and personal relationships. They may also ask hypothetical questions to gauge the person's response to certain situations.

During diagnosis, it is important to rule out other factors that can trigger paranoid behavior, such as use of recreational drugs, as these can sometimes cause paranoid behavior.

It is also important to note that for a diagnosis of paranoid personality disorder, the symptoms cannot be related to other mental health conditions, such as schizophrenia, bipolar disorder, depressive disorder with psychotic features, or another psychotic disorder.

Types of treatment

There is no cure for paranoid personality disorder; however, treatments are available to help people manage their condition. Treatment may involve a combination of psychotherapy and medication.

The condition can be difficult to treat; a person with this condition does not typically initiate treatment and often ends it before it is completed.

Psychotherapy

The most effective treatment for paranoid personality disorder is psychotherapy, which is also knowns as 'talking therapy'. It involves a person meeting regularly with a therapist to discuss their thoughts and feelings, and help them to manage their condition.

A common type of psychotherapy used to treat paranoid personality disorder is cognitive behavior therapy, which focuses on improving coping skills, social interaction, communication and self-esteem. However, because psychotherapy is founded on trust, and people with paranoid personality disorder inherently mistrust others, they may not stick to the treatment plan.

Medication

In some cases, medication may be prescribed to treat issues associated with paranoid personality disorder such as depression or anxiety. However, adherence to medication can be poor, since people with paranoid personality disorder have a mistrust of medications.

Prognosis

With ongoing treatment, a person with paranoid personality disorder can function normally. However, if left untreated, a person with the condition may find it difficult to hold down a job, or have fulfilling social and personal relationships.

Prevention

Paranoid personality disorder is not preventable, but early treatment can help a person with the condition learn how to deal with their thoughts and behaviors.

10 Most frequently asked questions (FAQs)

What is paranoid personality disorder?
A person with paranoid personality disorder experiences pervasive and abnormal levels of suspicion and mistrust of others. They are constantly on guard, as they believe that everyone is trying to harm or belittle them.
What are the symptoms of paranoid personality disorder?
The symptoms of paranoid personality disorder can vary in their severity, but some of the more typical symptoms may include: having difficulty with relationships; feeling persecuted by the world; aggression or hostility; social isolation; believing in unfounded conspiracy theories; being defensive, and; assuming that people are talking behind their back.
What causes paranoid personality disorder?
Paranoid personality disorder is not due to one single factor, but to a complex interaction between environmental, genetic and psychological factors.
Who can develop a paranoid personality disorder?
Paranoid personality disorder is more commonly diagnosed in adults aged in their 20s and 30s. It is more common in men.
How is paranoid personality disorder diagnosed?
There is no single specific test used to diagnose paranoid personality disorder; instead, healthcare professionals use specially-designed interview and assessment tools to evaluate a person for a personality disorder.
How is paranoid personality disorder treated?
Paranoid personality disorder can be very difficult to treat. As people with this disorder have such a strong distrust of others, they can struggle to trust their healthcare provider and follow a treatment plan. Medication can be used for treatment, and cognitive behavioral therapy, carried out long-term, can be very effective.
Will paranoid personality disorder clear on its own?
Paranoid personality disorder is a lifelong condition, although the severity of symptoms typically eases by the time a person reaches their 40s or 50s.
What increases the chances of developing paranoid personality disorder?
Having a family history of personality disorder, or experiencing trauma during childhood, increases a persona's chances of developing paranoid personality disorder.
How common is paranoid personality disorder?
Paranoid personality disorder is estimated to affect up to one in every fifty people.
What factors can trigger paranoid personality disorder?
Severe emotional trauma during childhood can put some people at risk of developing paranoid personality disorder.

Related topics

Schizophrenia

Schizophrenia is a complex disorder of the mind that results in having mixed-up thoughts and feelings. The main symptoms include delusions and hallucinations. People with schizophrenia may also become withdrawn, confused and agitated and may behave strangely. However, there are treatments available to help manage these symptoms.

Antisocial personality disorder

Antisocial personality disorder is a mental health disorder that can make it difficult for a person to understand or have empathy for other people. It is characterised by manipulative, exploitative and socially irresponsible behaviour.

Autism

Autism refers to a lifelong neurodevelopmental disorder that falls within a spectrum of similar disorders. People with autism spectrum disorder may have difficulties relating to their environment and interacting with people, have limited interests and may show repetitive behaviours and heightened sensitivities. Autism affects almost four times as many boys than girls.

Borderline personality disorder

Borderline personality disorder (BPD) is a mental disorder that can make it difficult for people to control their behavior and emotions and to form stable relationships with other people. It usually arises in early adolescence.

About this article

Title: Paranoid personality disorder

Author: Dr Joanne Van der Velden PhD, BSc (Hons)

First Published: 10 Jul 2015

Last reviewed: 17 Jan 2022

Category: Information on Paranoid personality disorder

Average rating: 4.7 out of 5 (1557 votes)

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