Yes, but against a background that fluctuates markedly from day to day and sometimes hour to hour. A good day can look like improvement while the underlying course is still progressive. That variability is characteristic, and it is one of the features separating it from Alzheimer's disease.
Yes, but against a background that fluctuates markedly from day to day and sometimes hour to hour. A good day can look like improvement while the underlying course is still progressive. That variability is characteristic, and it is one of the features separating it from Alzheimer's disease.
Attention, alertness and visuospatial ability are affected early, while memory is often comparatively preserved at a stage when Alzheimer's disease would already have impaired it. The core features are fluctuating cognition, recurrent well-formed visual hallucinations, parkinsonism, and acting out dreams during sleep. The fluctuation is not a reporting artefact: performance genuinely varies, sometimes dramatically, within a single day. Families describe someone lucid in the morning and confused by evening, and that pattern is diagnostically useful rather than confusing.
People with Lewy body dementia can react severely to antipsychotic drugs, with marked worsening of rigidity, reduced consciousness and, rarely, a life-threatening reaction. The older typical agents carry the greatest risk, and this sensitivity is important enough that it belongs on the medical record and should be raised at any hospital attendance. Anticholinergic drugs, sedatives and some drugs for bladder symptoms can also precipitate confusion or hallucinations. A medication review is often the single most useful intervention available.
Progression is judged over months, not from a single visit, precisely because of the fluctuation. What is tracked: the pattern and timing of good and bad periods, the nature of hallucinations and whether they distress the person, sleep behaviour and any injury from it, falls and near-falls, lightheadedness on standing, swallowing, and the complete medication list including anything newly started. An account from someone who is present across the day carries more weight here than in most conditions.
This practice diagnoses and follows the condition, reviews medication with the sensitivity above firmly in mind, and coordinates with primary care for adults 18 and older. It operates no infusion suite and no imaging suite. MRI, CT and nuclear medicine studies are arranged at an imaging centre or hospital and the report is reviewed with you here. Where movement symptoms dominate and advanced therapies are being considered, referral to a specialist movement disorder service is arranged.
Clinical Neurology Specialists has been physician-owned since 1998, when Leo Germin, M.D., FAANEM founded it. Five board-certified neurologists and four advanced practice providers see patients at the Las Vegas and Henderson offices, each with its own AANEM-accredited electrodiagnostic laboratory.
Clinical Neurology Specialists is an adult outpatient neurology practice for patients 18 and older. The practice performs no surgery and operates no imaging suite, infusion suite or interventional pain programme, and provides no emergency or inpatient care.
Physician-reviewed. Reviewed by the physicians of Clinical Neurology Specialists — board-certified neurologists, AANEM-accredited electrodiagnostic laboratories, physician-owned since 1998. Reviewed 1 August 2026. This article is general education for adults 18 and older and is not a substitute for a consultation.
Sources and further reading: MedlinePlus: Lewy body dementia; MedlinePlus: dementia; National Institute on Aging.
Adults 18 and older, at the Las Vegas and Henderson offices. Call 702-804-1212 or request an appointment online.