A person may be alert and engaged at breakfast, then find conversation or everyday activities much harder later in the day. They may describe seeing a visitor or animal that nobody else can see. With Lewy body dementia, changes in attention, perception and alertness can be particularly confusing for relatives. These experiences are recognised features of the condition, although they do not establish a diagnosis on their own.
For families, understanding the condition is only part of the task. The practical question is how to provide appropriate assistance without overlooking the person’s choices—or assuming that every new difficulty is simply dementia.
This guide focuses on dementia with Lewy bodies, often called Lewy body dementia, and on supporting someone at home. It is general information, not a substitute for an individual assessment or medical advice.
What Can Make Lewy Body Dementia Different?
Dementia with Lewy bodies, usually shortened to DLB, is associated with abnormal protein deposits in brain cells. It shares some features with Alzheimer’s disease and Parkinson’s disease, but the combination of difficulties can be different. Memory loss is not always the earliest or most prominent problem. The NHS overview of dementia with Lewy bodies explains the condition and how it is assessed.
Changes in Attention and Alertness
A person’s ability to follow a conversation or manage an activity may change over minutes or hours. They may become sleepy, lose concentration or appear less aware of what is happening around them.
This variation is not necessarily a lack of interest or willingness. It means care should consider the person’s abilities at that moment, rather than expecting the same response throughout the day.
Visual Hallucinations
Someone may see detailed people, animals or objects that are not present. These experiences can be frightening, but they can also feel neutral or comforting. Some people recognise that what they see is not real; others experience it with certainty.
Movement and Sleep Difficulties
Slow movement, stiffness, shuffling, poor balance and falls can affect daily routines. Sleep may involve calling out or physically acting out dreams, alongside sleepiness during the day. The combination varies between individuals, so support should not be planned around a standard picture of dementia.
If these changes have not been assessed, speak to a GP. There is no single test that families can use to diagnose DLB; medical assessment considers the symptoms and other possible explanations.
Sudden New Confusion Needs Immediate Attention
If someone suddenly becomes newly confused, or has a sudden marked worsening from their usual state, call 999. Do not assume it is an ordinary fluctuation or wait for the next care review.
Sudden confusion can have causes that need urgent treatment, including infection, a stroke or effects of medicines. It can happen to someone who already has dementia. The NHS guidance on sudden confusion advises immediate medical assessment.
For established fluctuations that have already been assessed, ask the clinical team to explain the person’s usual pattern and what changes require urgent action. That plan should help carers respond—not provide a reason to dismiss an unfamiliar deterioration.
Look for Patterns Without Trying to Diagnose the Cause
Brief notes can help the clinical team understand what happens between appointments. Record the time, what the person experienced, how long it lasted and whether they were distressed or needed additional assistance.
For example:
“At 4pm, after visitors left, Dad said there was someone in the hallway. He appeared frightened and settled after we sat together in the sitting room.”
This records an observation without deciding what caused it. Include recent medication changes and what the person said about the experience when discussing it with the GP or specialist.
Also report possible discomfort or illness. Pain, constipation, dehydration and infection can contribute to increased confusion or distress. These possibilities need appropriate assessment rather than an assumption that the dementia has progressed.
You do not need a complete diary before asking for help. Notes should support the conversation, not delay it.
Responding When Someone Sees Something You Cannot See
Start by noticing how the person feels. Are they frightened, curious or comfortable? Not every hallucination needs to become a confrontation or an attempt to stop the experience.
You might say:
“I can see this is upsetting. I’m here with you.”
This acknowledges their distress without claiming that you see the same thing. A gentle explanation may help some people, but repeated arguments about what is real can make the situation more distressing. Staying nearby, offering reassurance or suggesting a different activity may be more helpful.
Consider the surroundings too. A reflection, shadow or busy pattern may be misinterpreted rather than represent a hallucination. Good, even lighting and reducing confusing reflections can make a space easier to understand. Do not simply darken the room, which may introduce more shadows.
Ask for professional advice about new, worsening or distressing experiences. A calmer environment can be useful, but it does not replace investigating a health concern. The Alzheimer’s Society guidance on hallucinations explains the distinction between hallucinations and misperceptions.
Medicines Need Particular Care in Lewy Body Dementia
People with dementia with Lewy bodies can have severe sensitivity reactions to antipsychotic medicines. These medicines can worsen movement problems and cause serious adverse effects. They should not be treated as a routine response to hallucinations or restlessness.
NICE’s dementia guidance highlights this risk. If an antipsychotic is being considered, the decision needs appropriate clinical expertise, discussion of benefits and harms, and close monitoring.
Make sure a new clinician or hospital team knows the specific diagnosis, rather than only being told that the person has “dementia”. Share any previous medication reactions.
There are treatments that may help particular symptoms, but treatment needs to be individual. Medicines used for movement difficulties can sometimes worsen hallucinations or other symptoms, so regular clinical review matters.
Carers and relatives should not independently stop treatment, change doses or introduce remedies for sleep. Raise suspected side effects promptly with the prescriber or pharmacist, and seek emergency help for a serious sudden deterioration.
Our guide to medication support at home explains why assistance must follow the assessed, recorded and prescribed arrangements.
Support Independence as Abilities Fluctuate
Offer enough assistance for the moment without assuming the person needs every task completed for them.
Use short explanations, allow time for a response and avoid several people speaking at once. Instead of a complicated instruction to get ready, discuss one manageable part of the routine. The NHS advice on communicating with someone with dementia recommends patient listening, clear language and time to respond.
For example, the person might choose their clothes while someone else lays them within reach. They may want to help select music or prepare for a family visit, even when another activity feels too demanding.
A dementia diagnosis does not automatically remove the ability to make decisions. Capacity relates to the particular decision at the time, and appropriate help should be provided to support participation. Where a non-urgent decision can wait until the person is better able to engage, discuss that possibility with the relevant professionals.
The aim is not to judge the whole person by their most difficult hour—or assume that a clear conversation means assistance is no longer needed.
Plan Mobility and Night-Time Support Separately
Mobility assistance at home should follow appropriate assessment, especially when walking, balance or transfers have changed.
A slower pace is helpful, but it is not a complete moving-and-handling plan. The method, equipment and number of helpers must reflect the individual task. If two helpers are required, one carer or relative should not attempt it alone.
Discuss sleep with the GP or specialist too. Acting out dreams can place the person or their partner at risk of injury. Ask about the sleeping environment and appropriate treatment rather than assuming it is ordinary restlessness or adding a sleeping remedy yourself.
Tell a care provider what assistance is needed overnight as well as during the day. A person who needs frequent active support may require a different arrangement from someone who sleeps between occasional requests for help.
When Family Care Becomes Harder to Sustain
Consider what relatives are already providing: personal care, meals, reassurance, help with movement and repeated responses during the night.
Ask what they can realistically continue doing. A partner may want to remain closely involved while needing somebody else to take responsibility for particular tasks. Another relative may live too far away to provide reliable daily assistance.
The NHS recommends care planning that considers support for both the person with DLB and those caring for them, including home adaptations and the possible need for care services.
Live-in dementia care may be worth assessing where substantial assistance is required at different points throughout the day. Suitability depends on the person’s actual needs, preferences, home and available support—not the diagnosis alone.
One live-in carer should not be expected to provide continuous active supervision throughout both day and night. Breaks, rest and any additional cover must be agreed before the household relies on the arrangement.
Questions to Raise With the Wider Care Team
Bring practical questions to reviews rather than feeling that the family must work out every response alone:
- What changes are expected for this person, and which require urgent medical help?
- Does everyone involved know the specific diagnosis and any medication sensitivities?
- What guidance should be followed for hallucinations, mobility, personal care and sleep?
- Who will coordinate changes and make sure the care information stays current?
Include the person’s own priorities and the approaches they find reassuring. A shared plan should help people respond consistently without imposing an inflexible routine.
Protect the Person Behind the Symptoms
Keep space for ordinary interests, familiar relationships and conversations that are not about care. The person may still enjoy choosing what to listen to, expressing an opinion or spending quiet time with somebody they trust.
Ask before helping. Respect privacy. Where the person’s account differs from yours, consider what they need from the conversation rather than making every interaction about correcting them.
Live In Care Ltd is a family-owned, CQC-regulated live-in care company providing fully managed support. Our care-arranging process includes assessing needs and preferences, agreeing the proposed arrangement and reviewing support as circumstances change.
When you contact our care team, describe both clearer periods and more difficult ones, the help already being provided and the clinical guidance in place.
The aim is not to promise that care will remove every fluctuation. It is to arrange thoughtful support that recognises change, protects choice and connects the person with appropriate professional help when it is needed.