[Associated symptoms and relevant associated illnesses in idiopathic Parkinson syndrome]

Besides the four cardinal symptoms tremor, rigidity, akinesia and postural instability Parkinsonian patients may suffer from a number of associated symptoms which can have a negative influence on quality of life and which may require specific therapeutic measures. As it is to be expected in elderly people, patients with Parkinson's disease may suffer from other pathologies requiring medical treatment. In order to avoid undesired interactions the various treatments have to balanced carefully.