Common Uncontrollable movements (hyperkinesias), being sick (vomiting), worsening of symptoms of Parkinson’ s disease, dizziness, diarrhoea, abdominal pain, constipation, dry mouth, hallucinations (seeing/ hearing/ feeling/ smelling things that are not really there), prolonged muscle contractions (dystonia), tiredness, increased sweating, sleeplessness, vivid dreams, fall and confusion.