Physical illness presenting as psychiatric disease

Area of Science:

• Psychiatry
• Internal Medicine
• Medical Diagnostics

Background:

• Psychiatric symptoms can stem from underlying medical conditions.
• A significant portion of psychiatric patients may have undiagnosed medical illnesses.
• Comprehensive medical evaluation is crucial for accurate psychiatric diagnosis.

Purpose of the Study:

• To determine the incidence of medical disorders presenting as psychiatric symptoms.
• To identify the types of medical illnesses most commonly associated with psychiatric presentations.
• To emphasize the importance of medical assessment in psychiatric outpatient settings.

Main Methods:

• Study of 658 consecutive psychiatric outpatients.
• Inclusion of thorough medical and biochemical evaluations.
• Analysis of presenting psychiatric symptoms and underlying medical diagnoses.

Main Results:

• 9.1% of psychiatric outpatients had medical disorders causing their symptoms.
• Common presentations included depression, confusion, anxiety, and speech/memory deficits.
• Infectious, pulmonary, thyroid, diabetic, hematopoietic, hepatic, and CNS diseases were frequent causes.
• 46% of these patients had previously unknown medical illnesses.

Conclusions:

• Medical disorders are a significant cause of psychiatric symptoms.
• Visual hallucinations warrant investigation for medical etiology.
• Routine medical evaluation is essential for psychiatric patients to uncover undiagnosed conditions.