Paranoia may represent an acute change in mental status secondary to medical causes or be part of a greater symptom complex of an affective disorder, dementia, or a primary psychotic disorder. On cross-section, the presence of delusions, paranoid ideation, or suspiciousness alone does not differentiate between psychotic symptoms indicative of a psychiatric disorder and those signifying the presence of a physical illness or impaired cognition ( Table 1 ).
Geriatrics and Aging. 2008;11(3):143-149. © 2008 1453987 Ontario, Ltd.
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