CNS
Stroke (posterior circulation)
Tumour
Multiple Sclerosis
Friedreich’s Ataxia
Ingested substances
Chronic Alcoholism
Iatrogenic – phenytoin, carbamazepine
Idiopathic
Stroke (posterior circulation)
Tumour
Multiple Sclerosis
Friedreich’s Ataxia
Ingested substances
Chronic Alcoholism
Iatrogenic – phenytoin, carbamazepine
Idiopathic