OverviewA personality disorder is a mental disorder that causes a person to think and behave abnormally. This makes it hard for him or her to interact with other people and function normally in society. A person with paranoid personality disorder (PPD) mistrusts other people, even though he or she has no reason to do so.
What is going on in the body?A person with PPD is suspicious and mistrustful of others. He or she is always "on guard", and may be unable to form close relationships.
What are the signs and symptoms of the condition?A person with PPD:
• unreasonably believes that others are harming, deceiving, or taking advantage of him or her
• is unreasonably suspicious, angry, and very sensitive if he or she feel slighted or treated unfairly
• has unjustified doubts about the commitment, loyalty, and trustworthiness of others
• is afraid to confide in others
• holds grudges and is unforgiving of others
• looks for hidden meaning into remarks or events
• feels attacked, even when others don't see it
• accepts criticism poorly
What are the causes and risks of the condition?
The exact cause of the condition is unknown. Genetics may be involved. Early childhood experiences, including physical or emotion trauma, may cause PPD.
What can be done to prevent the condition?
There is no known way to prevent personality disorders. However, growing up in a nurturing environment is important toward developing a healthy personality.
How is the condition diagnosed?
A healthcare professional can diagnose the disorder based on the way the person behaves, and if four or more of the symptoms listed above are present. Sometimes the professional also does psychological testing. It is important to rule out any health problem (including other underlying psychiatric disorders) that may have caused the paranoid behavior.
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