Symptoms of Alcohol Use Disorder

What the Diagnostic Criteria Actually Look For

A man sitting on a bed holding a remote control in his hands, with beer bottles on the floor around him, in a dimly lit room with wood-paneled walls.

Alcohol Use Disorder (AUD) is diagnosed using specific criteria, not a general impression of someone's drinking. Doctors and mental health professionals rely on the DSM-5, which lists 11 symptoms grouped loosely into behavioral, physical, and psychological patterns. 

A person doesn't need a "rock bottom" moment to meet the criteria. Many people who qualify for a diagnosis still hold down jobs, maintain relationships, and appear unaffected to the people around them.

This is part of why AUD often goes unrecognized. The symptoms are specific and clinical, but they don't always look the way people expect them to look. 

The sections below break down what the DSM-5 criteria for AUD actually look like in practice.

Behavioral Symptoms

Several DSM-5 criteria describe patterns in how a person acts around alcohol, rather than how much they drink. 

According to NIAAA, these include:

  • Drinking more, or for longer, than intended

  • Making repeated, unsuccessful attempts to cut down or stop

  • Spending a significant amount of time drinking or recovering from its effects

  • Continuing to drink despite ongoing conflict with family or friends

  • Giving up activities that were once important in order to drink

None of these criteria require visible disruption. Someone can meet several of them while still functioning normally at work. What matters clinically is the pattern, not whether life has visibly fallen apart.

Physical Symptoms

Two DSM-5 criteria are specifically physiological: tolerance and withdrawal.

Tolerance develops when someone needs progressively more alcohol to get the same effect, or notices their usual amount produces less of an effect than before. This reflects changes in brain chemistry from repeated heavy use, according to NIAAA.

Withdrawal occurs when alcohol use is reduced or stopped after a period of heavy drinking. NIAAA lists the associated symptoms as trouble sleeping, shakiness, restlessness, nausea, sweating, a racing heart, and, in more severe cases, seizures or hallucinations. 

According to Cleveland Clinic, withdrawal is one of the clearest physical indicators that the body has become dependent on alcohol, and severe cases can require medical supervision to manage safely.

Cognitive and Memory-Related Symptoms

AUD also affects thinking and memory in ways that are easy to overlook. The DSM-5 criteria include wanting a drink so persistently that it becomes hard to think about anything else, along with alcohol-related blackouts. In these periods, a person stays conscious and functional but has no memory of what happened afterward. Recurring blackouts count as a diagnostic criterion on their own, not simply a side effect of heavy drinking.

Psychological and Emotional Symptoms

The DSM-5 also accounts for drinking that continues despite its emotional cost, including:

  • Continuing to drink even when it worsens depression, anxiety, or another health condition

  • Drinking in physically risky situations, such as before driving or operating machinery

  • Persistent cravings that interfere with daily thinking or planning

According to the Cleveland Clinic, AUD symptoms tend to center more on mood and behavior changes than on visible physical illness. That's part of why the condition is often missed, both by the person experiencing it and by the people around them.

How Many Symptoms Indicate a Problem

Meeting even two of the 11 DSM-5 criteria within 12 months is enough for a diagnosis. 

Severity is scored from there:

  • Mild: 2 to 3 criteria met

  • Moderate: 4 to 5 criteria met

  • Severe: 6 or more criteria met

This scale means AUD exists on a spectrum rather than as a single fixed condition. Two people with very different drinking patterns can both meet criteria for the same diagnosis.

What Comes After Recognizing the Symptoms

Recognizing these symptoms is a starting point, not a diagnosis on its own. That requires evaluation by a healthcare provider. 

From there, treatment options include medications such as naltrexone, acamprosate, and disulfiram, behavioral therapy aimed at building coping skills, and mutual-support groups that offer ongoing peer accountability. 

People with more severe symptoms, particularly withdrawal, should talk to a doctor before stopping drinking on their own, since withdrawal can carry medical risk.

Final thoughts

Alcohol Use Disorder rarely shows up as one obvious sign. It's usually a combination of behavioral, physical, cognitive, and emotional symptoms that build gradually, which is exactly why the DSM-5 evaluates it as a pattern across 12 months instead of a single red flag. 

Someone can meet the criteria for a diagnosis and still look, on the surface, like they're managing fine. Knowing what the actual criteria are, rather than relying on assumptions about what addiction "should" look like, is often what makes the difference between recognizing a problem early on and missing it for years.

You Don't Have to Figure This Out Alone

If several of these symptoms sound familiar, that alone is worth taking seriously. A formal diagnosis isn't required to start asking questions about your drinking.