Parkinson’s disease psychosis

Figures & data

Table 1 Symptoms of Parkinson’s disease (PD)

Motor symptoms of PD	Non-motor symptoms
Resting tremor	Constipation
Rigidity	Autonomic dysfunction
Bradykinesia	Impaired olfaction
Postural instability	Dementia
Festinating gait	Depression
Micrographia	Sleep disorders
Masked facies	Impulse control disorders
Retropulsion	Psychosis
Hypophonic speech

Table 2 Likely risk factors for development of psychosis in Parkinson’s disease

Advancing age

Cognitive decline

Duration of illness

Severity of illness

Treatment with dopaminergic agonists

Presence of comorbid sleep disorders

Presence of other psychiatric symptoms (apathy, depression)

Figure 1 Treatment algorithm for treating PDP.

Abbreviations: CBC, complete blood count; chem 7, basic metabolic test; CXR, chest X-ray; LFTs, liver function tests; ECG, electrocardiography; MAO, monoamine oxidase; NH₃, ammonia; PD, Parkinson’s disease; PDP, Parkinson’s disease psychosis; po, per oral; qhs, at night; RPR, rapid plasma reagin (syphilis); TSH, thyroid stimulating hormone; UA, urinalysis.