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What are the symptoms of paranoid personality disorder (PPD)?

Mark Moronell, MD
Cardiology (Cardiovascular Disease)
Paranoid personality disorder causes a number of distressing symptoms, creating lifelong challenges for people affected by the condition. Some of the many symptoms that a person with paranoid personality disorder may experience include:

• A lack of trust in others
• Feeling suspicious of others' motives
• Appearing detached and unfriendly
• Being isolated from others, often by choice
• Denial of responsibility for one's actions
• Acting out in aggressive or abusive ways
• Lacking confidence

The Merck Manuals Online Medical Library does report that people with paranoid personality disorder are sometimes very effective and productive, due to their isolated nature. However, this disorder usually causes more problems than positive symptoms.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.