Disorders that affect the structure of the cerebellum

Birth defects of the cerebellum

Bleeding (hemorrhage) in the cerebellum

Tumors in the cerebellum, particularly in children

Head injuries (repeated)

Strokes that affect the cerebellum

Subacute cerebellar degeneration

Hereditary disorders

Ataxia-telangiectasia

Friedreich ataxia

Spinocerebellar ataxias

Other disorders

Celiac disease

A head injury

Heatstroke or extremely high fever

Hypothyroidism

Multiple sclerosis

Multiple system atrophy

Medications and toxic substances

Alcohol use (excessive and prolonged)

Antiseizure medications

Carbon monoxide

Heavy metals such as mercury or lead

Sedatives (such as benzodiazepines) in high doses