Table 3

 Drug induced chorea (Modified from Poewe et al64)

FeaturesNeuroleptic induced choreaLevodopa induced chorea in Parkinson’s disease
Age of onsetElderly > youngYoung > elderly
SexFemale > maleFemale  =  male
Prevalence10% after month/years of treatment50% after 3–5 years of treatment
TreatmentDiscontinuation of neuroleptics or replacement by clozapine, tetrabenazineReduction of levodopa combined with the use of dopamine agonists