Can present with a variety of focal or nonfocal signs and symptoms
Confusion, lethargy, memory loss, hemiparesis, aphasia, mental status changes,  seizures
Constitutional symptoms (systemic B symptoms) e.g. fever
Primary CNS lymphoma
HIV neurologic complications
Drug induced aseptic meningitis
Toxoplasmosis
Neoplastic meningitis
Cryptococcosis
Limbic encephalitis
AIDS Dementia