<unk>  is a<unk>  condition characterized by an unsteady gait, most likely secondary to an autoimmune response to infection, drug induced or paraneoplastic. Most common virus causing<unk><unk><unk>  are Chickenpox virus and Epstein Barr Virus, leading to a<unk>  form of post viral<unk><unk> . It is a diagnosis of exclusion.
Acute cerebellar ataxia of childhood
Post viral cerebellar ataxia
Encephalitis lethargica
Alternating hemiplegia of childhood
Bickerstaff brainstem encephalitis
Post-encephalitic parkinsonism
Juvenile primary lateral sclerosis
Chronic paroxysmal hemicrania