Movement disorder
Tourette
Behavioral or emotional disorders
Sydenham's<unk>  (due to acute rheumatic fever)
Antiphospholipid syndrome
Autoimmune encephalitis
Behçet's disease
Celiac disease
Hashimoto encephalopathy
Polyarteritis nodosa
Primary angiitis of CNS
Sarcoidosis
Sjögren syndrome
Lupus
Arteriovenous malformation (CNS)
Intracerebral hemorrhage
Ischemic stroke
Moyamoya disease
Postpump<unk>  (in children after cardiac surgery)
Subarachnoid hemorrhage
Polycythemia vera
AIDS-related
Cruetzfeld-Jakob disease or other prion disease
Diphtheria
Legionnaire disease
Lyme disease
Malaria
Neurocysticercosis
Neurosyphilis
Progressive multifocal leukoencephalopathy
Toxoplasmosis
Tuberculosis
Derangements of calcium, glucose, sodium
Hypocalcemia
Hypoparathyroidism
Oral contraceptives<unk>  gravidarum (usually 1st trimester)
Nonketotic hyperglycemia 
Hyperthyroidism (rare)
Renal Failure
Hypocalcemia
Alcohol intoxication or withdrawal
Carbon Monoxide
Illicit Drugs
Cocaine
Methamphetamines
Glue sniffing
Dopamine Receptor Antagonists
Metoclopramide (Reglan)
Cimetidine
Digoxin
Isoniazid
Verapamil
Theophylline
Cocaine
Methamphetamines
Glue sniffing
Metoclopramide (Reglan)
Neoplasm with basal ganglia involvement
Small-cell lung cancer
Chorea
Opsoclonus
Sydenham's chorea
Ataxia 
Neuroleptic malignant syndrome
Ataxia
Serotonin syndrome
Dysphonia