| Major psychiatric disorders Acute exacerbation of schizophrenia Atypical psychoses (e.g., schizophreniform) Depression with psychotic features Mania Drug abuse and withdrawal Alcohol withdrawal Amphetamines and cocaine Phencyclidine (PCP) and hallucinogens Sedative-hypnotic withdrawal Prescription drugs Anticholinergic agents Digitalis toxicity Glucocorticoids and adrenocorticotropic hormone (ACTH) Isoniazid L-Dopa and other dopamine agonists Nonsteroidal anti-inflammatory agents Withdrawal from MAOls Other toxic agents Carbon disulfide Heavy metals Neurologic causes AIDS encephalopathy |
Brain tumor Complex partial seizures Early Alzheimer's or Pick's disease Huntington's disease Hypoxic encephalopathy Infectious viral encephalitis Lupus cerebritis Neurosyphilis Stroke Wilson's disease Metabolic causes Acute intermittent porphyria Cushing's syndrome Early hepatic encephalopathy Hypo- and hypercalcemia Hypoglycemia Hypo- and hyperthyroidism Paraneoplastic syndromes (limbic encephalitis) Nutritional causes Niacin deficiency (pellagra) Thiamine deficiency (Wernicke-Korsakoff syndrome) Vitamin B 12 deficiency |
Reproduced with permission from Hyman SE, Arana GW, Rosenbaum JE Handbook of psychiatric drug therapy. 4th ed. Philadelphia:
Lippincott Williams and Wilkins, 2000.