
Alcohol abuse, also known as alcohol dependence, alcoholism, or alcohol use disorder (AUD), is a common medical condition that can have serious physical and emotional effects on individuals. AUD is characterised by an impaired ability to stop or control alcohol consumption despite adverse social, occupational, or health consequences. The physical signs of alcohol abuse include peripheral neuropathy, which can cause numbness in the arms and legs and painful burning in the feet, as well as an increased risk of heart arrhythmias, orthostatic hypotension, and endocrine system disruption. Emotionally, individuals with AUD may experience changes in mood and behaviour, including cravings for alcohol, depression, anxiety, and memory blackouts.
| Characteristics | Values |
|---|---|
| Alcohol use disorder | Craving alcohol, continuing to drink despite negative consequences, drinking more than intended, spending a lot of time drinking or recovering from hangovers, repeatedly trying to reduce drinking but failing, giving up other activities to drink, drinking in hazardous situations, continuing to drink despite medical conditions or mental disorders |
| Physical signs | Liver cirrhosis, cerebellar degeneration, delirium tremens, peripheral neuropathy (causing numbness in arms and legs and painful burning in feet), heart arrhythmias, orthostatic hypotension, diarrhea, erectile dysfunction, endocrine system disruption (contributing to thyroid diseases, abnormal cholesterol, reproductive dysfunction, stress intolerance, diabetes), increased risk of stroke |
| Emotional signs | Mood changes, anxiety, depression, memory blackouts, trouble sleeping, restlessness, nausea, sweating, seizures, hallucinations, dysphoria, malaise, feelings of unease or unhappiness |
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What You'll Learn

Alcohol cravings and withdrawal symptoms
Alcohol cravings are a core symptom of AUD, with individuals experiencing a strong desire to consume alcoholic beverages. This can lead to individuals planning their lives around their next drink and spending a lot of time obtaining, consuming, and recovering from the effects of alcohol. The craving for alcohol can be so strong that individuals continue to drink even when it causes problems in their relationships, work, or health.
Withdrawal symptoms occur when individuals try to reduce or stop drinking. These symptoms can include trouble sleeping, shakiness, restlessness, nausea, sweating, a racing heart, seizures, and sensory hallucinations. The presence of withdrawal symptoms indicates that the body has become dependent on alcohol and is adjusting to the absence of the substance.
The severity of AUD is determined by the number of criteria an individual meets. Mild AUD is characterised by matching two to three criteria, moderate AUD by four to five criteria, and severe AUD by six or more criteria. It is important to note that even mild AUD can have significant negative consequences on an individual's life.
If you or someone you know is experiencing alcohol cravings and withdrawal symptoms, it is important to seek professional help. Treatment for AUD typically involves behavioural therapy, mutual-support groups, and/or medication. With treatment, individuals can achieve and maintain recovery, reducing their alcohol consumption or stopping completely.
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Negative impact on personal relationships
Alcohol abuse can have a detrimental impact on personal relationships. Alcohol use disorder (AUD) is a medical condition characterised by the inability to stop or control alcohol consumption despite adverse social, occupational, or health consequences. This can lead to problems in relationships with family, friends, and colleagues.
AUD can cause individuals to neglect their personal relationships, as they prioritise drinking over spending time with loved ones. This can create a sense of distance and alienation, with the person's drinking becoming a source of tension and conflict. The emotional and behavioural changes associated with AUD can also contribute to relationship difficulties. Mood changes, irritability, and aggression are common symptoms of alcohol abuse, which can negatively affect interactions with others.
AUD may also lead to financial difficulties, as money is spent on alcohol rather than on shared activities or responsibilities. This can create strain and resentment within relationships, particularly if the person is no longer contributing financially to shared goals or obligations. Alcohol abuse can also impact relationships by impairing judgement and decision-making abilities. This can lead to impulsive or reckless behaviour, which may damage trust and respect within relationships.
The physical health consequences of AUD can further negatively impact personal relationships. Alcohol abuse can cause a range of health issues, including liver damage, cardiovascular problems, neurological complications, and endocrine system disturbances. These health issues may result in the person being unable to participate in shared activities or fulfil relationship obligations. Additionally, the stress and burden of caring for someone with alcohol-related health issues can strain relationships.
Alcohol abuse can also lead to social isolation, as individuals may withdraw from social activities or find that their drinking behaviours embarrass or concern their friends and family. This isolation can exacerbate relationship difficulties, as the person may lose a sense of connection and support from their social network. Overall, alcohol abuse can have a detrimental effect on personal relationships, causing strain, conflict, and distance. It is important to recognise these negative impacts and seek help to improve both personal relationships and overall well-being.
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Drinking in hazardous situations
Alcohol is a psychoactive drug that affects the whole body, including the brain, liver, gut, pancreas, lungs, cardiovascular system, immune system, and more. Drinking in hazardous situations refers to consuming alcohol before or during activities that require alertness, coordination, and skill. This can include driving or operating machinery, which can lead to accidents, injuries, and even death. It also encompasses activities that require physical coordination and balance, such as swimming or climbing, where impaired judgement and slowed reflexes can result in harm.
The negative consequences of drinking in hazardous situations are not limited to the individual but can also impact those around them. For example, drinking before or during social or recreational activities can affect an individual's performance and increase the risk of accidents or injuries to themselves and others. This can also lead to social isolation as individuals give up important social activities due to their drinking habits.
To address drinking in hazardous situations, individuals can benefit from evidence-based psychological interventions, such as cognitive-behavioural therapy (CBT). CBT helps individuals develop skills to manage life without alcohol and cope with high-risk situations. It also addresses common motives for drinking, such as craving management and social skills training. By learning these skills, individuals can reduce the harmful impact of alcohol on their lives and improve their ability to function in various situations.
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Mental health issues
Alcohol abuse can have a detrimental impact on mental health, and this is a key aspect of alcohol use disorder (AUD). AUD is a medical condition characterised by an impaired ability to stop or control alcohol use, despite the negative consequences on social, occupational, or health areas of life. AUD is considered a brain disorder, and it can be mild, moderate, or severe.
The immediate impact of alcohol on the brain is to disrupt the communication pathways, which can affect mood and behaviour, as well as cognitive abilities and coordination. Drinking excessively can also increase the risk of stroke. Lasting changes in the brain caused by alcohol misuse perpetuate AUD and make individuals vulnerable to relapse.
The mental health issues associated with alcohol abuse can include anxiety and depression. Alcohol abuse can also worsen pre-existing mental health issues. For example, heavy alcohol use can disrupt the endocrine system, causing hormonal imbalances, which can lead to stress intolerance and other health conditions such as diabetes. Alcohol abuse can also cause alcohol-related memory blackouts.
The risk of developing AUD is influenced by a combination of genetic and environmental factors. Research has shown that those who start drinking at a younger age are more likely to develop AUD. The risk is also higher for females who start drinking before the age of 15.
Treatment for AUD focuses on behavioural therapy, mutual-support groups, and medication. Evidence-based treatments can help individuals achieve and maintain recovery, and reduce their alcohol consumption or stop drinking entirely.
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Physical health issues
Alcohol abuse can have a range of physical health effects on the body. Alcohol use disorder (AUD) is a medical condition characterised by an impaired ability to stop or control alcohol use despite adverse social, occupational, or health consequences. AUD can be mild, moderate, or severe, and is diagnosed based on criteria outlined in the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5).
One of the most well-known physical health issues associated with alcohol abuse is liver damage. The liver is responsible for processing alcohol, but it can only handle small amounts. Excessive alcohol consumption can lead to a build-up of toxins in the liver, resulting in conditions such as fatty liver, alcoholic hepatitis, and cirrhosis.
Alcohol abuse can also impact the brain and nervous system. It interferes with the brain's communication pathways, affecting mood, behaviour, and coordination. Alcohol abuse has been linked to an increased risk of stroke and peripheral neuropathy, which can cause numbness in the arms and legs and painful burning in the feet.
Additionally, heavy alcohol use can disrupt the endocrine system, which regulates hormones that maintain the body's stability and health. This disruption can contribute to thyroid diseases, abnormal cholesterol levels, reproductive dysfunction, stress intolerance, and diabetes. Alcohol can also negatively impact the cardiovascular system, increasing the risk of heart arrhythmias and cardiovascular complications associated with diabetes.
Other physical health issues associated with alcohol abuse include digestive problems such as diarrhoea, malnutrition, and pancreatitis. Alcohol abuse can also weaken the immune system, making it harder for the body to fight off infections and diseases. It can also lead to alcohol poisoning, cerebellar degeneration, and delirium tremens.
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Frequently asked questions
Emotional signs of alcohol abuse include craving alcohol, drinking despite the damage it causes to your relationships, and drinking even when it negatively affects your mental health.
Physical signs of alcohol abuse include heart arrhythmias (irregular heartbeat), orthostatic hypotension (a drop in blood pressure), diarrhoea, and erectile dysfunction. Alcohol abuse can also lead to peripheral neuropathy, which can cause numbness in the arms and legs and painful burning in the feet.
Alcohol interferes with the brain's communication pathways and can affect the way the brain looks and works. It can cause impairments in motor coordination, decision-making, and impulse control, increasing the risk of harm.
An alcohol overdose occurs when there is a high amount of alcohol in the bloodstream, causing areas of the brain that control basic life-support functions, such as breathing and heart rate, to shut down. Symptoms include mental confusion, vomiting, seizures, and slow heart rate.
Long-term health risks of alcohol abuse include liver cirrhosis, cerebellar degeneration, thyroid diseases, abnormal cholesterol levels, reproductive dysfunction, and an increased risk of developing type 2 diabetes.










































