Alex Ehsan, MD, PhD · Medical search

Alcohol Use Disorder (AUD)

Educational information. Individual clinical review of this presentation by Dr. Ehsan is not yet documented. It does not replace personal medical evaluation.

Source: MedlinePlus, National Library of Medicine. Read the original source

MedlinePlus data edition September 26, 2026. Imported September 27, 2026. These dates do not indicate a new clinical review of the article.

What is alcohol use disorder (AUD)?

For most adults, moderate alcohol use is probably not harmful. Your risk of developing an alcohol use disorder (AUD) depends on how much, how often, and how quickly you drink alcohol. Alcohol misuse means that drinking causes distress and harm. Over time alcohol misuse can increase your risk of AUD.

AUD can range from mild to severe, depending on the symptoms. Severe AUD is sometimes called alcoholism or alcohol dependence.

AUD is a disease that causes:

What is binge drinking?

Binge drinking is a type of alcohol misuse. It means drinking so much at once that your blood alcohol concentration (BAC) level is 0.08% or more. For a man, this usually happens after having 5 or more drinks within a few hours. For a woman, it is after about 4 or more drinks within a few hours. Not everyone who binge drinks has an AUD, but they are at higher risk for getting one.

What are the dangers of too much alcohol?

Too much alcohol is dangerous. Heavy drinking can increase the risk of certain cancers. It may lead to liver diseases, such as alcohol-associated liver disease (ALD) and cirrhosis. It can also cause damage to the brain and other organs. Drinking during pregnancy can harm your fetus. Alcohol also increases the risk of death from car crashes, injuries, homicide, and suicide.

How do I know if I have an alcohol use disorder (AUD)?

You may have an AUD if you can answer yes to two or more of these questions:

In the past year, have you:

If you have any of these symptoms, your drinking may already be a cause for concern. The more symptoms you have, the more serious the problem is.

What should I do if I think that I might have an alcohol use disorder (AUD)?

If you think you might have an AUD, see your health care provider for an evaluation. Your provider can help make a treatment plan, prescribe medicines, and if needed, give you treatment referrals.

NIH: National Institute on Alcohol Abuse and Alcoholism

Questions for your care team

General prompts to help prepare for your appointment.

For a life-threatening emergency, call 911 in the U.S. or your local emergency number.

Browse all patient guides