Concept

Misdiagnosing Delirium as a Psychological Disorder

Delirium can manifest neuropsychiatric symptoms that mimic psychological disorders, leading to potential misdiagnoses. Specifically, hyperactive delirium presents symptoms that resemble mania or schizophrenia, while hypoactive delirium presents symptoms resembling severe depression. To distinguish delirium from a psychological disorder, healthcare professionals should determine whether the symptoms appear suddenly, fluctuate inconsistently, and are accompanied by an altered level of consciousness.

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Updated 2026-05-03

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Clinical Practice of Psychology

Psychology

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OpenStax Psychology (2nd ed.) Textbook