origin, but it is also a frequent adverse effect of high phenytoin toxicity. Causes include:
Cerebellar ataxia
Chiari Malformation
Multiple sclerosis
Stroke
Thalamic hemorrhage
Trauma
Tumor
Other causes
Non-physiological
Trochlear nerve malfunction[21]
Vestibular Pathology (Ménière's disease, SCDS (superior canal dehiscence syndrome), BPPV, Labyrinthitis)