The condition known as Lewy body dementia (LBD) is characterized by abnormal accumulation of the protein alpha-synuclein in the brain. Lewy body dementia is a progressive condition, in which symptoms appear gradually and worsen over time. The chemicals in the brain are affected by these deposits, known as Lewy bodies, and these changes can result in issues with thought, behavior, movement, and mood.

LBD symptoms may be similar to those of Parkinson's disease and Alzheimer's disease, among other neurological disorders. Although there is no known treatment for LBD, several drugs can help with the symptoms. Non-medical treatments like speech and physical therapy may help you or a loved one.


The most common LBD symptoms are cognition, movement, sleep, and behavior changes. People with LBD may not experience all symptoms, and the severity of symptoms might vary greatly. Common symptoms include:

  • The difficulties with organizing, multitasking, paying attention, and thinking.
  • Difficulties with vision and spatial reasoning include problems in depth perception or object identification.
  • Changes in concentration, attention, attentiveness, and wakefulness are unpredictable.
  • Visual hallucinations occur in up to 80% of people with LBD, often early on.
  • Movement changes, such as tremors or muscle stiffness, are called parkinsonism.
  • Sleep disorders include rapid eye movement (REM), excessive or insufficient sleep, restless leg syndrome, and the tendency to act out dreams while sleeping.
  • Depression, loss of interest, anxiety, false beliefs, and other mental health issues.
  • Changes in the body's natural processes include sensitivity to heat and cold, lightheadedness, a poor sense of smell, and other symptoms.

Individuals with mild symptoms can often function close to normal. As the disease progresses and thinking and movement abilities decline, people with LBD will need more help and may depend on caregivers full-time.

When to See The Doctor?

Consult the doctor immediately if you or your loved ones are showing any symptoms mentioned above, like hallucinations, sleep disorders, anxiety, etc., because early detection and treatment can help manage the condition.


As discussed previously, the buildup of proteins known as Lewy bodies in the brain causes Lewy body dementia. The degeneration of brain nerve cells is caused by these Lewy bodies that cause problems with the brain activities because they frequently accumulate in regions connected to memory and movement.

There is no apparent genetic link to the development of Lewy bodies in the brain, and the specific reason is unknown. Researchers are still looking for genes associated with an increased risk.

Age is the only important factor consistently linked to a higher risk of LBB. Additionally, those who exhibit symptoms of Parkinson's disease or REM sleep behavior are more vulnerable.

Risk Factors

A neurodegenerative condition called Lewy body dementia affects memory, reasoning, and motor abilities. Lewy body dementia risk factors include, among others.


Lewy body dementia typically occurs in people over the age of 60. The risk of developing the condition increases with age.


Lewy body dementia may have a genetic component because it affects some individuals more often than others.

Parkinson's disease

Lewy body dementia is more likely to develop in those with Parkinson's disease.

Head injury

The risk of developing Lewy body dementia may be increased by a history of head trauma.

Family history

A family history of Lewy body dementia or Parkinson's disease increases the risk of developing the condition.

Other medical conditions

People with conditions such as Alzheimer's disease,Down syndrome, or depression may have a higher chance of developing LBD.

Exposure to certain toxins

Certain chemicals, such as pesticides, can also increase the risk of developing Lewy body dementia.

Environmental factors

Lewy body dementia risk may also be increased by other environmental factors such as air pollution and heavy metal exposure.



Lewy body dementia usually causes visual and auditory hallucinations, which cause confusion and distress in the patient.

Parkinson's symptoms

Patients may have tremors, stiffness, and balance issues since Lewy body dementia and Parkinson's disease are often linked.

Fluctuating cognition

Constant changes in thinking, reasoning, and memory make it difficult to handle daily tasks and personal finances.

Sleep disturbances

Lewy body dementia patients may have difficulty falling asleep because of their vivid nightmares, sleepwalking, and sleep apnea.

Autonomic problems

It may be challenging for patients to move around and remain active because of blood pressure fluctuations, lightheadedness, and syncope.

Depression and anxiety

Depression and anxiety are common symptoms in people with Lewy body dementia, and they can severely impair everyday quality of life and functioning.


Patients could have false ideas, including paranoid delusions, which can be incredibly distressing and result in behavior problems.

Rapid eye movement (REM) sleep behavior disorder

This condition causes people to act out their dreams, making them more prone to falls, injuries, and other dangerous behaviors.


Lewy body dementia is difficult to prevent since the underlying causes are still unclear. Various steps can be taken to reduce the chance of contracting the condition or limit its progression. These include:

Maintaining a healthy lifestyle

Exercise, a nutritious diet, smoking cessation, and stress management techniques that can all support brain health and lower the chance of Lewy body dementia.

Managing medical conditions

Lewy body dementia risk can be increased by long-term medical conditions such as Parkinson's disease, depression, and sleep issues. The risk can be reduced with proper care of these conditions.

Avoiding head injury

Lewy body dementia risk can be increased by traumatic brain injury, especially recurrent head trauma. Wearing a helmet can reduce that risk when performing tasks in which a head injury is possible.

Taking the medication with caution

Antipsychotic drugs, for example, can make people more likely to develop Lewy body dementia. The risk can be avoided by taking these medications as prescribed by a doctor and only when required.

Monitoring symptoms

Effective treatment and management of Lewy body dementia depend on the earlier detection of symptoms. Early detection of the condition can be assisted by regularly monitoring signs such as changes in memory, mood, and mobility.

Lewy body dementia cannot be totally avoided, but by taking certain precautions, the risk can be reduced, and the condition can be handled more effectively. If you have questions concerning Lewy body dementia or have symptoms, you should consult a doctor.


A type of degenerative brain illness called Lewy Body Dementia (LBD) results in cognitive impairment, issues with mobility, and sleep disorders. A thorough analysis of a person's medical history, symptoms, and a series of tests and examinations are required to diagnose LBD.

The following steps are involved in diagnosing LBD:

Medical history evaluation

A doctor will ask about the patient's symptoms, including changes to cognition, mobility, and sleeping habits. The doctor can also inquire about any Parkinson's disease or dementia in the patient's family history.

Neurological exam

The patient's ability to stand, walk, and write will all be evaluated by the doctor, along with their movement and balance.

Cognitive testing

The patient may undergo cognitive tests to assess their memory, language, attention, and other cognitive abilities, such as the Mini-Mental State Exam (MMSE) or the Montreal Cognitive Assessment (MoCA).

Imaging tests

Doctors can detect specific abnormalities in the brain that might be a sign of LBD with the help of imaging procedures like a CT scan or MRI.

Sleep studies

To assess the patient's sleep patterns, including any breathing problems associated with sleep and episodes of REM behavior disorder, sleep investigations like polysomnography may be performed.


In rare circumstances, a brain biopsy may be performed to verify the presence of Lewy bodies.

The diagnosis of LBD is often a complex process, and a definitive diagnosis may require multiple tests and evaluations over some time. Working closely with a doctor is important to obtain a proper diagnosis and appropriate treatment.


Currently, no treatment can cure dementia with Lewy bodies from progressing. However, some medicines may alleviate a few symptoms for some time. Treatments include:

  • Prescription medications to treat movement problems, confusion, drowsiness, hallucinations, and disturbed sleep.
  • Mobility issues, daily chores, and communication can be treated with physiotherapy, occupational therapy, and speech and language therapy.
  • Psychological treatments like brain stimulation (activities and exercises designed to improve memory, problem-solving skills, and language ability)
  • Dementia-related pursuits, including memory cafés

Do's And Don'ts

Here are some dos and don'ts for individuals caring for someone with Lewy body dementia:

Do’s Don’ts
Create a safe and comfortable environment for the person with LBD Overwhelm the person with too much information.
Provide a consistent routine and structure to their day. Involve sudden changes to their routine or environment.
Encourage the person to exercise regularly and maintain a healthy diet. Physically restraining or forcibly correcting the person if they display agitated or aggressive behavior
Work with a healthcare provider to develop a care plan that addresses the person's unique needs and challenges. Ignore the need for proper sleep.
Educate yourself and others about Lewy body dementia to better understand and respond to the person's behavior and symptoms. Neglect self-care, as caring for someone with Lewy body dementia can be physically and emotionally draining.

It's important to remember that everyone with Lewy body dementia is unique, and what works for one person may not work for another. Being patient, flexible, and open to new approaches is essential.

Care at Medicover Hospitals

We have the best team of Neurologists and Neurosurgeons at Medicover Hospitals who work together to provide Lewy body dementia treatment with utmost precision. Our highly skilled team utilizes the latest medical equipment, diagnostic procedures, and technologies to treat various neurological diseases and ailments. For Lewy body dementia, we adopt a multi-disciplinary approach to provide comprehensive care to the patients and attend to all their medical needs at once for faster and sustained recovery.

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