What is alcohol addiction?

Updated 08 October 2024

‘Addiction’ means having a dependence on a substance or activity. Unlike someone who simply ‘wants’ something, a person with an addiction will have physical cravings and urges for the substance they’re addicted to.

Being addicted to alcohol, sometimes called being an alcoholic, means that you have a physical dependency on alcohol. There are changes that happen in the brain of someone who drinks a lot of alcohol which makes them have physical withdrawals if they don’t drink. Alcohol withdrawal symptoms can include insomnia, nausea, sweating, anxiety and physical discomfort. If you are experiencing alcohol dependence, it also means you need to consume more alcohol to achieve the intended effect.

Signs of alcohol dependence

Some of the signs of alcohol addiction and dependence include:

  • worrying about when you’ll be able to have your next drink

  • sweating, nausea or insomnia when you don’t drink

  • needing to drink more and more alcohol to get drunk

  • drinking alcohol, or wanting to, when you wake up in the morning

  • consuming alcohol regularly on your own, or trying to hide your drinking

  • fighting with friends and family about your drinking or going out.

Why is alcohol addictive?

Alcohol can be addictive because it affects your brain's reward system. It releases feel-good chemicals like dopamine, which can lower your sense of inhibition, anxiety and stress, while boosting confidence. The more you drink, the more tolerance you can build to alcohol. Over time, your body may start to depend on alcohol to feel good or even normal. It's important to know that addiction can happen to anyone, and it's not a sign of weakness.

What causes alcohol addiction?

Alcohol addiction can happen because of a mix of factors. These might include genetics, mental health issues, stress, trauma, or social pressures. Sometimes, what starts as casual drinking can slowly become a problem without you even realising it. Remember, it can affect anyone, regardless of their background.

What is the difference between alcohol enjoyment and alcohol dependence?

Enjoying alcohol means you can take it or leave it. You might have a drink socially but don't need it to feel good or function. Dependence, however, means you feel a strong urge to drink and might struggle to stop once you start. 

Enjoying alcohol can like look:

  • having a glass of wine with dinner on weekends

  • sharing a few beers with friends watching a sports game

  • easily saying ‘no’ to a drink when you don't want one

  • stopping after a set number of drinks

  • alcohol enhances your social experiences without dominating them

  • your study, work and personal responsibilities remain unaffected

  • occasional mild hangovers that don't significantly impact your daily life.

Dependence on alcohol can look like:

  • drinking daily or almost daily

  • regularly drinking more than planned 

  • finding it difficult to stop once you start

  • feeling anxious or irritable when alcohol isn't available

  • making excuses to drink or hiding how much you’re drinking 

  • continuing to drink even when it’s causing problems in your life 

  • constantly thinking about your next drink

  • planning your days or event around alcohol 

  • feeling guilty or ashamed about your drinking habits

  • developing tolerance and needing more alcohol to feel the same effects

  • using alcohol to cope with stress, anxiety, or depression.

Health problems from alcohol addiction

There are a range of short-term and long-term side effects of being addicted to alcohol.

Short-term symptoms of alcohol addiction include:

  • vision problems

  • memory problems (blackouts)

  • depression

  • anxiety

  • paranoia

  • seizures

  • poor nutrition, resulting in weight loss, reduced energy and other health issues.

Long-term symptoms of alcohol addiction include:

  • permanent brain damage

  • liver damage

  • high risk of cancers, such as mouth and throat cancers

  • high risk of cardiovascular disease, such as a stroke and heart failure

  • more frequent illness, because of a weakened immune system.

Getting help for alcohol addiction

The first step to getting help for addiction is recognising the problem. If you think you might be addicted to alcohol, it’s important to seek professional help. You can start by visiting your GP, who can also refer you to a range of other professionals and specialist services.

Alcohol addiction treatment options and support services

Some of the services you can access for more information and support with alcohol dependence include:

Group therapy (support groups such as Alcoholics Anonymous and SMART Recovery) and drug therapy (speak to your GP about medicines that can help with withdrawals) are other options.

What can I do now?

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