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Health Information and Tools >  Alcohol Use Disorder

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Alcohol Use Disorder

Condition Basics

What is alcohol use disorder?

Alcohol use disorder means that a person drinks alcohol even though it causes harm to themselves or others. Harm can range from mild (a hangover) to severe (being the cause of or a victim of violence, needing hospital care, or even death). Alcohol use disorder affects the brain and can be treated. People with this disorder find it hard to control their alcohol use. They need to use more alcohol to get the same effects (tolerance). Over time, drinking too much alcohol may cause health problems, like liver and heart problems. It can also increase your risk of getting cancer.

What causes it?

It's not clear why some people develop alcohol use disorder and others don't. It seems to run in families (genetic). Drinking habits are affected by your family situation, friends, and where you live. Some peoples’ lives are stressful, and they may use alcohol to cope with health or relationship problems. Drinking alcohol changes the way the brain works. It makes it harder to control urges and manage stress.

What are the symptoms?

Your drinking may be a problem if:

  • You can't cut down or control how much or how often you drink alcohol, even when you want to.
  • You spend a lot of time drinking or recovering from alcohol.
  • You can't do your main tasks at school, work, or home.
  • You keep drinking, even though it's hurting your relationships.
  • You have uncomfortable symptoms when you drink less.
  • You have had others tell you they think you have a problem with your drinking.

How is it diagnosed?

Alcohol use disorder may be diagnosed at a routine doctor visit or when you see your doctor for another problem. Your doctor will ask questions about how drinking is affecting your life and about your past health situation and will do a physical exam. Your doctor may do tests to look for health problems linked to alcohol, like cirrhosis.

How is alcohol use disorder treated?

When some people realize their drinking is a problem, they decide to quit and can do so on their own or with support from family or friends. Others can stop or cut back on drinking with help from a counsellor or mutual support groups like Alcoholics Anonymous or SMART Recovery (Self-Management and Recovery Training).

People with moderate to severe alcohol use disorders may need to stay in a hospital to get help to stop drinking. Medicines that help reduce withdrawal symptoms and cravings may be used. They may also go to a live-in treatment centre to help them learn about how to live a life without alcohol. After this live-in treatment, seeing a counsellor or attending a mutual support group can help you keep using less or no alcohol.

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Information about Alcohol Use Disorder

Adaptation Date: 07/15/2024

Adapted By: Alberta Health Services

Adaptation Reviewed By: Alberta Health Services

Adapted with permission from copyrighted materials from Ignite Healthwise, LLC (Healthwise). This information does not replace the advice of a doctor. Healthwise disclaims any warranty and is not responsible or liable for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions.

Information about Alcohol Use Disorder

Adaptation Date: 07/15/2024

Adapted By: Alberta Health Services

Adaptation Reviewed By: Alberta Health Services