| Dystonia, parkinsonism, and hyperkinesia all occur in elderly, untreated people. |
| Nervous System: Abnormal dreams, anxiety, dry mouth, hyperkinesia, paresthesia, increased sweating, euphoria, hallucinations. |
| Rare were akathesia, amnesia, apathy, ataxia, dystonia, euphoria, hallucinations, cerebral ischemia, hyperkinesia, hypotonia, hypertonia, irritability and headache. |
| Supplements of it are used in various treatments such as sleep problems, treatment of hyperkinesia and as an effective auxiliary in therapy for Down's Syndrome. |
| The hyperkinesia is usually confined to one side of the body contralateral to a lesion in the subthalamic nucleus. |
| Neurological symptoms include mental deterioration, rigidity and hyperkinesia, and salivation and sweating. |
