
Alcohol addiction, also known as alcohol use disorder (AUD), is a common condition that can lead to a range of negative health and social consequences. People with AUD are unable to stop drinking even when it negatively impacts their health, safety, and personal relationships. The harmful effects of alcohol on the body and brain can result in over 200 health conditions and an increased risk of death from car crashes, injuries, homicide, and suicide. Alcohol consumption during pregnancy can also cause fetal alcohol syndrome, leading to cognitive deficits and mental health issues. Treatment for AUD typically involves behavioural therapy, support groups, and medication, with severe cases requiring inpatient medical treatment or residential rehabilitation.
| Characteristics | Values |
|---|---|
| Name of condition | Alcohol Use Disorder (AUD) |
| Other names | Alcoholism, alcohol dependence, alcohol addiction |
| Cause | Genetic factors, environmental factors, trauma, mental health conditions |
| Risk factors | Amount, frequency, speed of alcohol consumption, binge drinking, pregnancy |
| Symptoms | Craving alcohol, withdrawal symptoms, impaired ability to stop drinking, interference with family life, job, school, risky behaviour, depression, anxiety, health problems, blackouts, increased alcohol tolerance |
| Treatment | Medication (benzodiazepines, naltrexone, acamprosate, disulfiram, topiramate), behavioural therapy, Alcoholics Anonymous (AA), mutual-support groups, psychotherapy |
| Complications | Liver disease, brain damage, fetal alcohol syndrome, head injuries, motor vehicle injuries, interpersonal violence, suicide, epilepsy, cancer, pancreatitis, high blood pressure, stroke, coronary heart disease |
| Prevalence | Millions of Americans, 608,416 dependent adult drinkers in England (2019-2020) |
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What You'll Learn

Fetal alcohol syndrome
Alcohol use disorder (AUD), often called alcoholism, is a common medical condition characterised by an inability to stop drinking, even when drinking causes health issues, safety risks, and damage to personal relationships. One of the potential consequences of drinking during pregnancy is Fetal Alcohol Spectrum Disorders (FASD), which includes Fetal Alcohol Syndrome (FAS), the most severe type of FASD.
FAS is a preventable condition that can occur when a person is exposed to alcohol in the womb. It causes facial abnormalities, including wide-set and narrow eyes, growth problems, and nervous system abnormalities. These abnormalities can be difficult to diagnose as there is no medical test for FASD, so a healthcare provider will make a diagnosis based on the child's symptoms and the mother's drinking history during pregnancy.
FASDs are lifelong conditions with no cure, but treatments can help manage the symptoms. These treatments include medication, medical care, behaviour and education therapy, and parent training. A treatment plan should be tailored to the individual and may include close monitoring and follow-ups. Certain "protective factors" can also help reduce the effects of FASDs and help those affected reach their full potential.
The National Institute on Alcohol Abuse and Alcoholism is the primary organisation for research on FASDs in the United States. The CDC is also working to address alcohol use during pregnancy and FASDs, providing resources and sharing stories from individuals and families affected by FASDs.
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Alcohol withdrawal
The treatment for alcohol withdrawal depends on the severity of the symptoms. Most people with mild to moderate alcohol withdrawal can be treated without hospitalization. Healthcare providers may prescribe short-term medications such as carbamazepine or gabapentin to manage symptoms. For moderate withdrawal, benzodiazepines or barbiturates may be used to reduce the risk of seizures and delirium tremens. Severe and complicated alcohol withdrawal requires treatment in a hospital, and sometimes in the intensive care unit (ICU).
To prevent alcohol withdrawal, it is important to avoid alcohol altogether or seek professional help as soon as possible if one suspects they are developing alcohol use disorder. The sooner treatment is sought, the better. Treatment programs for AUD often involve a combination of group psychotherapy and medications.
In conclusion, alcohol withdrawal syndrome is a serious condition that can result from alcohol addiction. It is important to recognize the signs and symptoms of alcohol withdrawal and seek appropriate treatment to ensure the best outcome for the patient. Treatment options vary depending on the severity of the withdrawal and can include medications, psychotherapy, and hospitalization in severe cases.
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Organ damage
Alcohol addiction, or alcohol use disorder (AUD), can have detrimental effects on the body's organs and body systems, contributing to more than 200 health conditions. Alcohol misuse means that drinking causes distress and harm, and over time, it can increase the risk of AUD. Binge drinking is a type of alcohol misuse that can be defined as consuming so much alcohol that one's blood alcohol concentration (BAC) level is 0.08% or more. For men, this usually occurs after having 5 or more drinks within a few hours, and for women, it is after 4 or more drinks within a few hours.
Heavy drinking can cause inflammation and lead to alcohol-related organ damage. It can also affect the peripheral nervous system, which comprises the nerves outside the brain and spinal cord. This can result in peripheral neuropathy, causing numbness in the arms and legs and painful burning in the feet. Alcohol-related nerve damage may also cause heart arrhythmias (irregular heartbeat), postural or orthostatic hypotension (a drop in blood pressure due to a change in body position), diarrhea, and erectile dysfunction.
The liver is particularly susceptible to damage from alcohol consumption. Alcohol can cause a variety of problems and inflammations in the liver, including fatty liver disease and cirrhosis. It can also damage the mucous membranes lining the esophagus, stomach, and intestinal tract, leading to inflammation and GI bleeding.
Additionally, heavy alcohol use can disturb the endocrine system, disrupting the hormones that help maintain the body's stability and health. This can contribute to endocrine-related health conditions such as thyroid diseases, abnormal cholesterol levels in the blood, reproductive dysfunction, stress intolerance, and type 2 diabetes.
Excessive alcohol consumption can also damage the brain, with research linking it to deficits in cognitive functions and alterations in the brain's structure and volume. This can manifest in problems with attention, memory, and reasoning. Abstinence from alcohol may partially reverse these changes.
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Neurological damage
Alcohol addiction, or alcohol use disorder (AUD), can have adverse effects on the brain's structure and function, leading to neurological damage. This damage can be acute or chronic and can affect the central or peripheral nervous system.
Acute neurological effects of alcohol consumption include the immediate symptoms of alcohol intoxication, such as loquacity, loss of social inhibition, and aggressiveness. As alcohol consumption increases, inhibitory actions extend to the cortical and other brain stem and spinal neurons, causing decreased alertness and, in severe cases, coma with respiratory failure.
Chronic alcohol consumption can lead to more severe and long-lasting neurological damage. The most common manifestations include polyneuropathy, cerebellar degeneration, and dementia. More severe conditions include Wernicke-Korsakoff syndrome, Marchiafava-Bignami disease, and alcohol-related brain damage (ARBD). ARBD is caused by regular excessive drinking or binge drinking over several years and often results in memory and cognitive impairments.
The neurological damage caused by alcohol addiction can be attributed to several factors. Firstly, alcohol is a toxic substance that directly affects the brain and nervous system. Secondly, alcohol misuse can indirectly impact the brain by causing damage to other organs, such as the liver or pancreas. Additionally, alcohol addiction often leads to malnutrition, including vitamin deficiencies such as a lack of thiamine (vitamin B1), which is essential for proper brain function. Furthermore, individuals with alcohol addiction are at a higher risk of repeated head injuries due to falls or violence while under the influence.
The extent of neurological damage caused by alcohol addiction can vary depending on various factors, including the amount and frequency of alcohol consumption, age, duration of alcohol use, family history of alcoholism, and overall health. Treatment for alcohol addiction often includes medication and behavioral therapy, and early intervention is crucial to prevent irreversible complications.
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Mental health issues
Alcohol use disorder (AUD) and mental health issues are closely linked. Alcohol changes the way brain cells signal to each other, which can make people feel relaxed. However, this feeling is short-lived, and when it wears off, people often feel worse. This can lead to a worsening of mental health issues, such as anxiety and depression.
People with pre-existing mental health issues are more likely to develop an alcohol use disorder. They may turn to alcohol to self-medicate and deal with difficult feelings or symptoms. For instance, anxiety disorders are the most prevalent psychiatric disorders in the United States, and 20-40% of people treated for anxiety disorders also have AUD. Similarly, among those with AUD, 15-30% have co-occurring post-traumatic stress disorder (PTSD), with rates increasing to 50-60% among military personnel and veterans.
The relationship between AUD and mental health issues is complex and bidirectional. Alcohol misuse and dependence can lead to social problems such as relationship issues, unemployment, financial difficulties, and homelessness, which can further negatively impact mental health. Additionally, the very nature of alcohol dependence can affect mental health. If an individual with alcohol dependence suddenly stops drinking, they may experience withdrawal symptoms, including worsened mental health.
The treatment of co-occurring AUD and mental health disorders requires an integrated approach. Treating psychiatric symptoms alone is generally insufficient to reduce alcohol consumption or AUD symptoms. Combining medications and behavioural healthcare often produces superior outcomes. For those with more severe mental health comorbidities, a personalised and multimodal treatment plan designed by a specialist care team is essential.
It is important to note that quitting drinking can lead to clinical improvement in co-occurring mental health disorders. Seeking help from a general practitioner (GP) or a mental health specialist is crucial for safe and effective treatment.
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Frequently asked questions
Alcohol addiction, also known as alcohol use disorder (AUD), alcohol dependence, or alcoholism, is a common medical condition in which people are unable to stop drinking, despite the negative impact on their health, safety, and personal relationships.
Alcohol addiction can lead to various serious health problems, including liver disease, cancers of the mouth, throat, and breast, pancreatitis, high blood pressure, stroke, and coronary heart disease. It also increases the risk of injuries, such as head injuries and motor vehicle injuries, as well as interpersonal violence, suicide, and epilepsy.
Treatment for alcohol addiction typically involves medication, behavioral therapy, and mutual-support groups. Medications such as naltrexone, acamprosate, disulfiram, and topiramate can help reduce cravings and prevent further drinking. Behavioral therapy, also known as alcohol counseling or talk therapy, aims to change drinking behavior and build coping skills. Mutual-support groups, such as Alcoholics Anonymous (AA), provide peer support and encouragement for stopping or reducing alcohol consumption.
Signs and symptoms of alcohol addiction include an uncontrollable desire to drink, prioritizing drinking over other activities or obligations, continuing to drink despite harmful consequences, and experiencing physical withdrawal symptoms when trying to quit. Alcohol addiction can also lead to changes in mood and behavior, such as increased depression or anxiety, and impaired judgment.











































