The following side-effects have been reported:
Central nervous system / neuromuscular: Hyperkinesia, somnolence, paraesthesia, sleeping disturbances and the malignant neuroleptic syndrome. Extrapyramidal symptoms (dystonia, rigidity, motor akathisia, hypokinesia and tremor). These side-effects can be satisfactorily controlled by antiparkinsonian drugs.
Autonomic nervous system: Orthostatic dizziness, hypotension, reduced salivation, tachycardia and visual accommodation disturbances.