Table of Contents
- Can Alcohol Cause Dementia?
- What Is Alcohol-Related Dementia?
- Signs and Symptoms of Alcohol-Related Dementia
- Alcohol Dementia Stages
- Does Alcohol Increase the Risk of Dementia?
- Can Alcohol-Related Dementia Be Reversed?
- How Is Alcohol-Related Dementia Diagnosed?
- Treatment for Alcohol-Related Dementia
- When to Seek Help for Alcohol Misuse and Cognitive Changes
- Treatment for Alcohol Addiction in Los Angeles, CA
Alcohol can affect the brain in several ways, and long-term heavy drinking is associated with memory problems, cognitive impairment, and an increased risk of dementia. However, alcohol-related dementia is not always a single, clearly defined diagnosis. Alcohol can contribute to cognitive decline through direct neurotoxicity, nutritional deficiencies, repeated withdrawal, head injuries, and vascular or other medical complications.
Of particular importance is Wernicke-Korsakoff syndrome, a serious brain disorder associated with long-term alcohol abuse and thiamine (vitamin B1) deficiency. Left untreated it can cause serious memory problems and permanent damage to the nervous system.
Can Alcohol Cause Dementia?
Heavy, long-term use of alcohol has been associated with an increased risk of dementia and other cognitive problems. The relationship is complex because alcohol may damage the brain directly and may also contribute indirectly through poor nutrition, liver disease, cardiovascular disease, stroke, head injuries, and repeated episodes of withdrawal.
A 23-year prospective study of more than 9,000 adults found that people consuming more than 14 units of alcohol per week had an increasing risk of dementia as consumption increased. Among people drinking more than 14 units weekly, every additional seven units per week was associated with a 17% increase in dementia risk in the study. Alcohol-related hospital admission was also strongly associated with later dementia.
This does not mean that every person who drinks alcohol will develop dementia. It also does not mean that alcohol is the only cause of dementia. Age, genetics, heart health, diabetes, smoking and other factors can affect cognitive health.
What Is Alcohol-Related Dementia?
Alcohol-related dementia is a term often used to describe long-term cognitive problems associated with long-term alcohol misuse. But one should not confuse the broad term with the specific neurological conditions.
Heavy drinking over time can damage brain tissue, and it can affect areas associated with memory, attention, executive function, and coordination. Heavy alcohol use may also cause nutritional deficiencies, especially thiamine (vitamin B1) deficiency.
One of the more serious implications is Wernicke-Korsakoff syndrome, which consists of Wernicke encephalopathy and Korsakoff syndrome. Left untreated, Wernicke encephalopathy can cause severe and possibly permanent memory problems.
People who are recovering from alcohol use can still experience psychological and behavioural challenges after they stop drinking. Sometimes the term “dry drunk” is used informally to describe someone who is not drinking alcohol but is still showing certain behaviours or emotional patterns associated with drinking. It is not a medical diagnosis and should not be confused with alcohol related dementia.
Signs and Symptoms of Alcohol-Related Dementia
Cognitive impairment from alcohol can develop slowly, and symptoms may initially be mistaken for normal aging, depression, intoxication, or other medical conditions.
Signs of alcohol-related cognitive impairment can include: Short-term memory problems Difficulty learning new information Problems with concentration and attention Confusion Poor judgement Difficulty planning or solving problems Changes in mood or personality Problems with balance or coordination Difficulty managing everyday tasks
Memory problems can be very bad in Wernicke-Korsakoff syndrome. People may have difficulty forming new memories and sometimes fill in gaps in their memory with wrong information without knowing it. But these symptoms don’t necessarily mean a person has alcohol-related dementia and a medical assessment is required to determine the underlying cause.
Alcohol Dementia Stages
There are no universally accepted clinical stages of alcohol-related dementia comparable to the staging systems used for some other diseases. Cognitive problems may range from mild and potentially reversible impairment to severe, persistent neurological damage.
Some early changes may include forgetfulness, trouble concentrating, difficulty organising tasks, or poor judgement. As the drinking continues at a high level, the problems with thinking may become more apparent and create troubles at work, in relationships, with money and in daily life.
Wernicke-Korsakoff syndrome and alcohol-related brain damage can cause severe memory problems and lead to a need for long-term support.
Does Alcohol Increase the Risk of Dementia?
Increasing research evidence has demonstrated an association between heavy drinking and dementia risk.
A long-term study published in The BMJ found that people consuming more than 14 units per week had higher dementia risk as consumption increased. The same research found that alcohol-related hospital admission was associated with approximately a fourfold higher risk of dementia before full adjustment for other factors.
Other research has identified structural brain changes associated with higher alcohol consumption. A longitudinal MRI study found a dose-dependent association between alcohol intake and hippocampal atrophy. People consuming more than 30 units per week had substantially higher odds of hippocampal atrophy, while even 14–21 units per week was associated with increased odds of right-sided hippocampal atrophy in that study.
Importantly, studies on moderate or low alcohol intake and dementia have produced conflicting results, and earlier studies suggesting that small amounts of alcohol might protect against dementia have been subject to methodological limitations. Alcohol should therefore not be recommended as a strategy for protecting brain health.
Can Alcohol-Related Dementia Be Reversed?
Sometimes, but not always.
Some alcohol-related cognitive problems can improve significantly after stopping alcohol use and treating nutritional deficiencies. Recovery potential depends on the severity and length of alcohol exposure, nutritional deficiencies and whether permanent neurological damage has occurred.
Wernicke encephalopathy is especially important because it is a medical emergency and requires prompt treatment with thiamine. Delay in treatment can cause permanent neurological damage and progression to Korsakoff syndrome.
Korsakoff syndrome can cause persistent memory impairment, although some patients experience improvement over months with abstinence, appropriate nutritional treatment, and rehabilitation. For this reason, early assessment is important whenever someone with heavy alcohol use develops new memory or thinking problems.
How Is Alcohol-Related Dementia Diagnosed?
There is no single test that confirms alcohol-induced dementia. The clinician will most often assess the person’s alcohol use and history, memory and cognitive changes, ability to perform daily activities, nutritional status, medical and psychiatric history, medications and other substances, and neurologic findings. Blood tests may also be used to identify nutritional deficiencies, liver disease, thyroid disorders, or other conditions that may contribute to cognitive symptoms.
Depending on presentation, clinicians might also use formal cognitive testing and brain imaging such as MRI or CT. When diagnosing alcohol-related cognitive impairment, physicians should consider other potentially treatable aetiologies of cognitive impairment.
Treatment for Alcohol-Related Dementia
Treatment depends on the underlying cause and severity of the cognitive impairment.
The most important step is generally stopping further alcohol-related brain injury. However, people who have been drinking heavily for a prolonged period should not necessarily stop suddenly without medical advice because alcohol withdrawal can be dangerous and, in severe cases, life-threatening.
Treatment may include medical management of alcohol withdrawal, thiamine and other nutritional replacement when indicated, treatment for alcohol use disorder, cognitive rehabilitation, mental health care, management of cardiovascular and metabolic risk factors, assistance with daily activities, and family or caregiver support.
If you need it, alcohol detox in Los Angeles can provide medically supervised withdrawal. This means that you’ll have medical support through the withdrawal process in a structured way. Some neurological damage may be permanent. Recovery from alcohol related cognitive impairment may take some time.
When to Seek Help for Alcohol Misuse and Cognitive Changes
A professional evaluation is appropriate if drinking alcohol is associated with memory loss, confusion, personality changes, difficulty managing responsibilities, recurrent falls, poor nutrition, or problems with daily functioning. Families should be alert if someone who used to be able to live independently suddenly starts to have unexplained financial difficulties, repeatedly forgets conversations, becomes unusually confused or increasingly relies on alcohol.
Older adults may be particularly vulnerable to alcohol because the body’s response to alcohol changes with age, and alcohol can interact with medications or worsen existing health conditions.
People who have been drinking heavily over a long period should get medical advice before trying to stop drinking suddenly, because withdrawal can include seizures and delirium tremens. Alcohol addiction treatment in Los Angeles can provide individualised support for alcohol use disorder and recovery if problematic drinking is impacting your memory, relationships, work or functioning in day-to-day life.
Treatment for Alcohol Addiction in Los Angeles, CA
Alcohol use disorder is a treatable illness. Recovery is about medical treatment, behavioural therapy, medication when appropriate and continuing support. Depending on the needs of the individual, treatment may include residential treatment, which provides structure, support, and ongoing clinical care.
The House of Life also offers a private and structured luxury rehab in Los Angeles environment for individuals seeking comprehensive support during recovery. Always treat on an individual basis. The appropriate level of care depends on a person’s drinking history, risk for withdrawal, medical conditions, cognitive symptoms, mental health, and support system.
So are you ready to take that first step? For information about the treatment options available, call The House of Life 24 hours a day at +1-805-888-8000, or complete the online form to speak confidentially with the team.
Sources
Alcohol consumption and risk of dementia: 23-year follow-up of Whitehall II cohort study — The BMJ
The BMJ — Alcohol consumption and risk of dementia
Alcohol Use Disorder and Dementia: A Review — Alcohol Research: Current Reviews / PubMed
PubMed — Alcohol Use Disorder and Dementia: A Review
Wernicke-Korsakoff Syndrome — National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIAAA — Wernicke-Korsakoff Syndrome
Medical Complications: Common Alcohol-Related Concerns — NIAAA
NIAAA — Medical Complications of Alcohol Use
Moderate alcohol consumption as risk factor for adverse brain outcomes and cognitive decline — The BMJ
The BMJ — Alcohol and Brain Outcomes
Alcohol-related dementia: an update of the evidence — PubMed
PubMed — Alcohol-related dementia: an update of the evidence
Alcohol-Related Dementia and Neurocognitive Impairment: A Review Study — PubMed
PubMed — Alcohol-Related Dementia and Neurocognitive Impairment
Alcohol Consumption in Relation to Cognitive Dysfunction and Dementia: Systematic Review and Dose-Response Meta-Analysis — PubMed
PubMed — Alcohol, Cognitive Dysfunction and Dementia Meta-Analysis
