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Comparison of Alzheimer's disease and DLB

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

The following features may help to differentiate Alzheimer's disease (AD) from dementia with Lewy bodies (DLB):

  • memory loss:
    • AD: usually the presenting feature with significantly worse memory functioning
    • DLB: memory may be relatively normal in the early stages
  • course:
    • AD: progressive
    • DLB: progressive with marked fluctuations
  • parkinsonism (unsteady gait, bradykinesia, cogwheeling):
    • AD: late stages
    • DLB: early stages
  • hallucinations:
    • AD: not a major feature
    • DLB: a hallmark feature.


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