Personality disorder - paranoid
People with paranoid personality disorder are highly suspicious of other people. They are usually unable to acknowledge their own negative feelings towards other people.
Other common symptoms include:
Personality disorders are diagnosed based on psychological evaluation and the history and severity of the symptoms.
Moore DP, Jefferson JW. Paranoid personality disorder. In: Moore DP, Jefferson JW, eds. Handbook of Medical Psychiatry. 2nd ed. Philadelphia, Pa: Mosby Elsevier; 2004: chap 134.
Satterfield JM, Feldman MD. Paranoid personality disorder. In: Ferri FF, ed. Ferri's Clinical Advisor 2008: Instant Diagnosis and Treatment. 1st ed. Philadelphia, Pa: Mosby Elsevier; 2008.