Diagnostic Considerations – Other psychiatric illnesses – Anatomic lesions – Metabolic illnesses – Endocrine disordersInfectious illnesses – Miscellaneous disorders – Vitamin deficiency
…”Many infectious illnesses, such as influenza, Lyme disease, hepatitis C, and any of the encephalitides (particularly those caused by the herpesviruses), can cause mental status changes such as depression, anxiety, irritability, or psychosis. Elderly people with pneumonias or urinary tract infections may become confused or frankly psychotic.
The infectious illnesses of particular interest are the following:
Chronic Lyme disease” ….