Updated
A person living with dementia may experience anxiety, sadness, frustration or agitation as well as changes in memory and thinking. Distress deserves understanding, not simply a label of difficult behaviour. It can reflect pain, illness, communication barriers, an overwhelming environment or an emotional need. The right response begins with careful assessment of what is happening. Sudden confusion or an abrupt major change requires immediate medical attention, even when dementia has already been diagnosed.
Emotional distress is part of the person's experience
Dementia can change how someone understands information, communicates needs and copes with unfamiliar situations. Anxiety may appear as repeated questions, worry about being alone, restlessness or a need to stay close to a familiar person. Low mood or frustration may be expressed differently when language and memory are affected. The outward behaviour is not always a straightforward description of the feeling underneath. [1,2]
Start by considering what the situation might be like for the person. A busy room, unexplained physical care or a confusing instruction can feel threatening. This does not mean every response is caused by dementia or that others must tolerate unsafe situations. It means the first question should be what is needed, rather than how to make the person comply.
Anxiety, agitation and aggression are different descriptions
Anxiety concerns fear or worry; agitation can involve restlessness or difficulty settling; aggression describes behaviour that may harm or threaten. These can overlap, but they should not be treated as interchangeable or inevitable features of dementia. A person can be deeply distressed while quiet, and restlessness does not automatically mean an intention to harm somebody. Assessment needs the actual pattern. [1,2]
Describe what happened rather than using a broad label alone. For example, pacing after visitors arrive gives different information from crying during dressing or becoming withdrawn after a medicine change. Include what occurred beforehand, how long it lasted and what seemed to help. A short factual description can support a clinical conversation without turning the person into a problem to be managed.
Pain and physical illness should be considered
A person who finds words difficult may show discomfort through changes in behaviour. Pain, constipation, infection, poor sleep, sensory difficulties or medication effects can contribute to distress. NICE recommends a structured assessment that checks clinical and environmental causes before choosing treatment. A dementia diagnosis should not prevent appropriate evaluation of a new symptom or physical problem. [1,2]
Look for a change from the person’s usual pattern and tell an appropriate clinician about it. Do not assume that anxiety is purely psychological or that sedation is the natural next step. The goal is to identify a treatable need rather than guess the cause from behaviour alone. A medical professional can assess what examination or further investigation is appropriate.
The environment and communication can make a difference
Noise, crowding, unfamiliar caregivers, rushed explanations and changes in routine may increase distress. Hearing and vision difficulties can make these situations harder to understand. A calmer setting, clear short communication and familiar cues may help, but the approach needs to fit the person and be reviewed. There is no single calming activity that works for everybody. [2,3]
Ask what the person prefers and give time for a response. Touch may reassure one person and alarm another, so it should never be assumed helpful without attention to their response and preferences. A practical example is explaining one step before assisting with it, rather than giving several instructions at once. Such adjustments support dignity; they do not replace medical assessment when something new is wrong.
Depression and loss deserve attention in their own right
A person with dementia may also experience depression, grief, loneliness or fear about changes in independence. These concerns should not automatically be dismissed as unavoidable. Assessment considers mood, enjoyment, sleep, appetite, participation and the person’s ability to express feelings. The appropriate support may include adapted psychological treatment, practical connection and review of other health needs. [1]
The depression in older adults guide explains related questions. A familiar activity may still matter even when the person cannot recall its details later. Support can focus on comfort, connection and current experience, not only memory performance. Families should not be told that emotional care becomes pointless because cognitive impairment is present.
Late-day restlessness does not explain every new change
Some people become more unsettled later in the day, a pattern sometimes called sundowning. Sleep, fatigue, changing light and routines may be relevant to the conversation. The term describes a pattern rather than a complete medical explanation. A clinician should still consider pain, illness, medicines and other factors when symptoms change or become more severe. [2]
Do not use a familiar evening pattern to dismiss sudden confusion at any time of day. Delirium can occur on top of dementia and requires medical assessment. If there is a sudden change in attention, awareness or usual behaviour, seek immediate medical help rather than wait to see whether morning brings improvement. A diary or a reassuring score cannot establish that waiting is safe. [4]
How an assessment of distress differs from a dementia test
The question is not simply whether dementia is present. The clinician needs to understand why this person is distressed now, including health, care routines, relationships and the environment. They may use observations from the person and others, examine physical needs and review treatment. A cognitive score alone does not reveal the cause of agitation or choose a suitable response. [1]
Our distress assessment guide offers optional, unscored preparation notes. It does not rate the person as difficult, measure their worth or determine a care setting. A few representative examples can help more than a detailed log of every action. Urgent medical concerns should be addressed before spending time on preparation.
Support should be personalised and reviewed
NICE recommends psychosocial and environmental approaches as initial and ongoing support for distress, alongside addressing its causes. Selected psychological treatments may be useful for some people with mild to moderate dementia and anxiety or depression. Medication may sometimes have a role, but it requires assessment of the specific symptom, risks and alternatives rather than a routine response to every unsettled moment. [1]
The treatment and support guide explains these options. A plan should state what is being tried, what improvement would mean and when it will be reviewed. The goal is the person’s wellbeing and safety, not merely making care more convenient. No supplement, sedative or standard programme is appropriate for every presentation.
Caregivers need support, not blame
Supporting a distressed person can be emotionally and physically demanding. Frustration or exhaustion does not mean a caregiver does not care. At the same time, pressure and rushed interactions can make an already difficult situation harder. A plan may need more practical assistance, respite or professional input rather than another instruction for one relative to manage everything perfectly.
The caregiver stress guide and family support can help frame the caregiver’s own needs. Those needs are related to, but distinct from, assessment of the person with dementia. Support should clarify responsibilities and boundaries. Immediate danger requires professional help, not an expectation that a family member physically controls an unsafe situation alone.
Make the next step clear and appropriate to the situation
For ongoing distress, contact the clinician or service responsible for dementia care and describe the change, its timing and any physical concerns. Ask whether a medical review, adapted psychological support or changes in care arrangements are appropriate. A written plan can help different caregivers respond consistently, but it should remain responsive to the person’s needs rather than become a rigid behaviour-control protocol. [1]
VAYEMA’s assessment pathway can discuss suitable planned mental-health or family support and specialist referral needs. Coordination may help connect agreed services; it is not a substitute for dementia-specialist or emergency medical care. Sudden confusion, serious illness or immediate danger requires direct local help rather than a routine website inquiry.
Frequently asked questions about dementia and emotional distress
Is anxiety inevitable when someone has dementia?
People have different experiences, and anxiety should not be assumed or ignored. Changes in understanding, health, environment or relationships may contribute. Assessment can identify useful support and treatable needs. The person deserves emotional care as well as attention to memory, rather than being told distress is simply part of the diagnosis.
Does agitation always mean the dementia has progressed?
No. Pain, illness, medication effects, communication problems or changes in the environment may contribute. A new pattern deserves assessment rather than an automatic conclusion about progression. Sudden confusion or altered awareness needs immediate medical help, even when agitation has occurred before.
Should we keep correcting everything the person says?
Repeated correction can increase pressure without resolving the underlying distress. Focus on understanding the concern, using calm communication and addressing practical needs. The appropriate response depends on the situation. Do not confirm harmful unsupported claims, and seek clinical guidance when perceptions, beliefs or safety concerns are changing.
Can psychological support still be useful?
It can be appropriate for some people when adapted to their abilities, symptoms and preferences. Support may focus on anxiety, low mood, connection or coping with change. Assessment should establish the approach and its purpose. Cognitive impairment does not make the person’s emotional experience irrelevant.
Is medication the first response to every episode?
No. Clinical and environmental causes should be assessed and addressed, with personalised support considered. Medication may be appropriate for defined symptoms in selected circumstances, but requires a clinician’s review of risks and alternatives. It should not be used simply because a person is inconvenient or a caregiver needs support.
What should we do about a sudden change?
Seek immediate medical help for sudden confusion, altered awareness or serious physical deterioration. It may reflect delirium or another acute problem rather than ordinary dementia progression. Do not wait for a routine appointment or use an online worksheet to decide whether the person is safe.
Resources and references
[1] NICE NG97: Distress, anxiety and depression in dementia
[2] NIA: Agitation, aggression and sundowning in Alzheimer's disease