Parkinson's affects much more than movement: mood, thinking, sleep, blood pressure, swallowing, the bladder and pain. Press play to travel round the body map, or pick a domain, to see how common each problem is. Then follow the published approach to hallucinations, and what trials found symptom by symptom. This page reports guidelines and trials. It is not advice for any person.
Click a point on the body or a step to choose a domain. The figure is schematic; every bar is a published figure.
Hallucinations and delusions: the published approach
NICE NG71 and the 2019 MDS evidence review set out a sequence: ask and look for causes, leave well-tolerated symptoms alone, reduce the medicines that may have triggered them, and only then add a medicine for psychosis. Impulse-control problems, which are more common on dopamine agonists, are covered in The other medicines.
Schematic. Which medicine is lowered, and by how much, is a specialist decision; the bar levels and meters are illustrative, not doses.
What the trials found, symptom by symptom
A summary of the evidence, with the 2019 MDS ratings where they exist. It is not a treatment plan; any dose mentioned is a trial dose, reported as published.
What drives quality of life
Two studies asked what makes life with Parkinson's better or worse. Both point away from the movement score alone.
Variance explained and rank correlations as published. Bars start at zero.