Hallucinations and delusions are common in Dementia with Lewy Bodies (DLB). A study shows that DLB patients who experience delusional symptoms tend to have poorer cognitive function and more severe BPSD. Oddly, DLB patients with diabetes appear to be less prone to delusions.
“Delusion of other persons are stealing was the most common symptom (35.3%). The delusional group had a significantly higher diagnostic rate of probable than possible DLB, higher disease severity, poorer cognitive performance, more severe neuropsychiatric symptoms, and higher caregiver burden…” .
Tzeng, RC. Tsai, CF. [and] Wang, CT. [et al] (2018). Delusions in patients with dementia with Lewy Bodies and the associated factors. Behavioural Neurology. May 7th 2018; 2018: 6707291.