Understanding Neurology

Disorders of motility 167Cerebellar tremor syndromes include intentiontremor and titubation. Many medications may causedrug-induced tremor, e.g. amiodarone, lithium,sodium valproate, prednisolone, and selectiveserotonin reuptake inhibitors (SSRIs). A clear causalrelationship with onset of medication is sought but notalways found as tremor onset may be delayed. Thesetremors are usually kinetic in nature. Drug-inducedparkinsonism has already been mentioned above.Holmes tremor was previously labelled as rubral,thalamic, and midbrain tremor and is caused by alesion of the brainstem/cerebellum and thalamus. It isa slow (