Lewy Body Disease (LBD): Symptoms, Diagnosis & Understanding

Lewy Body Dementia: Core Clinical Features

LBD symptoms overlap with Alzheimer's and Parkinson's but have a distinctive constellation. Presentation varies widely.

Fluctuating attention, executive dysfunction (planning, problem-solving), visuospatial deficits. Memory loss may be less prominent early on.

Tremor, rigidity, bradykinesia, postural instability. Often symmetric; less responsive to levodopa than Parkinson's disease.

Vivid, detailed, recurrent (people, animals). Occur early, unlike Alzheimer's. May also have auditory/tactile hallucinations.

REM sleep behavior disorder (acting out dreams), excessive daytime sleepiness, insomnia.

Depression, anxiety, apathy, irritability.

Orthostatic hypotension, constipation, urinary incontinence, sweating abnormalities, temperature dysregulation.

Impulsivity, compulsions, social withdrawal.

Marked hour-to-hour or day-to-day variations in cognition, alertness, and function ("good days/bad days").

Not all symptoms appear in every person. Prompt specialist evaluation is crucial for accurate diagnosis and management.