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Lewy body dementia

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Dementia with Lewy bodies (DLB) is the second most common cause of dementia in the elderly after Alzheimer's disease.

The core feature of DLB is a progressive dementia, however other features are characteristic:

  • Parkinsonism often accompanies, or even precedes, the dementia
  • the level of cognitive impairment fluctuates from hour to hour and day to day
  • complex visual hallucinations are common
  • the patient is very sensitive to neuroleptic medication

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