If you’re asking this question, you’ve already noticed something about your drinking that concerns you. That awareness matters. The clinical term today is alcohol use disorder (AUD), and it exists on a spectrum from mild to severe. You don’t need to be drinking every day or losing your job to qualify. Meeting just 2 out of 11 specific criteria within a 12-month period is enough for a mild diagnosis.
The 11 Signs Clinicians Actually Look For
The current diagnostic framework identifies 11 patterns. You can use them as a personal checklist. In the past year, have you:
- Ended up drinking more, or for longer, than you intended?
- Wanted to cut down or stop, or tried to, but couldn’t?
- Spent a lot of time drinking, or recovering from its aftereffects?
- Experienced strong cravings or urges to drink?
- Found that drinking, or being hungover, interfered with your responsibilities at work, school, or home?
- Kept drinking even though it caused problems with family or friends?
- Given up or cut back on activities you used to enjoy in order to drink?
- Gotten into situations while drinking or after drinking that increased your chances of being hurt?
- Continued drinking even though it made you feel depressed or anxious, or after experiencing a blackout?
- Needed to drink much more than you once did to feel the same effect?
- Experienced withdrawal symptoms when the alcohol wore off, such as shakiness, sweating, nausea, trouble sleeping, or a racing heart?
Two or three of these indicate mild AUD. Four or five indicate moderate. Six or more indicate severe. Most people are surprised by how low the threshold is. You don’t need to check every box.
How Problem Drinking Differs From Social Drinking
Social drinkers can generally predict how much they’ll have, when they’ll stop, and how they’ll behave. Problem drinking looks different: you can’t always predict any of those things. You sit down planning to have two drinks and finish six. You tell yourself this weekend will be different, and it isn’t.
Other patterns that separate problem drinking from casual use include drinking until drunk as a regular occurrence rather than a rare accident, doing things under the influence you wouldn’t do sober, and continuing to drink in situations where it’s physically dangerous, like before driving. Frequent uncontrolled drinking episodes are a hallmark, even if they only happen on weekends.
Tolerance and Physical Dependence
One of the earliest physical signs is tolerance. If the amount that used to give you a buzz no longer does, your body has adapted. With chronic heavy drinking, your liver ramps up production of specific enzymes to process alcohol faster, and your brain adjusts its chemistry to counteract alcohol’s sedating effects. The result is that you need more to feel the same thing, which quietly escalates how much you consume over months and years.
Physical dependence shows up when you stop. Withdrawal symptoms tend to appear within 8 hours of your last drink, peak between 24 and 72 hours, and can linger for weeks. Early signs include shaky hands, sweating, clammy skin, rapid heartbeat, restlessness, nausea, and difficulty sleeping. If you’ve ever needed a drink in the morning just to feel steady, that’s a significant red flag. Severe withdrawal can involve seizures and hallucinations, which is why stopping abruptly after heavy, prolonged use can be medically dangerous.
Psychological Warning Signs
The mental signs are often easier to dismiss than the physical ones, but they’re just as telling. Craving is now recognized as a core feature of AUD. Over time, places, people, and routines associated with drinking can trigger powerful urges that feel automatic, almost reflexive.
Another pattern worth watching: losing interest in things you used to enjoy. Chronic alcohol use changes how your brain’s reward system works. Activities that once felt satisfying, like hobbies, exercise, or time with friends, start to feel flat compared to drinking. This isn’t a personality change or laziness. It’s a neurological shift where alcohol has become the primary source of pleasure, and everything else struggles to compete.
Mental preoccupation is another sign. If you find yourself thinking about your next drink during work, planning your schedule around alcohol, or feeling anxious when you’re in a situation where you can’t drink, those are patterns that go beyond casual enjoyment.
When It Doesn’t Look Like a Problem
Some people with AUD maintain careers, relationships, and social appearances that look completely normal from the outside. This pattern is sometimes called high-functioning alcohol use disorder, and it’s one of the hardest to recognize, both for the person drinking and for those around them.
Common behaviors include abstaining during the week and binge drinking on weekends, consistently using alcohol as the primary way to manage stress or anxiety, and hiding how much you actually drink. You might pour drinks when no one is watching, minimize your intake when asked, or rotate liquor stores to avoid recognition. The outward success masks inner dependence, and the ability to “keep it together” becomes its own justification: if things were really that bad, wouldn’t my life be falling apart?
The answer is: not yet. Functioning well despite heavy drinking doesn’t mean drinking isn’t causing harm. It means the consequences haven’t caught up yet.
A Quick Self-Screening Tool
The AUDIT (Alcohol Use Disorders Identification Test) is a 10-question screening tool used worldwide. Each answer is scored from 0 to 4, and a total score of 8 or more indicates hazardous or harmful drinking. A few of the questions that tend to be most revealing:
- How often do you have six or more drinks on one occasion?
- How often have you found you couldn’t stop drinking once you started?
- How often have you failed to do what was normally expected of you because of drinking?
- How often have you felt guilt or remorse after drinking?
- Have you been unable to remember what happened the night before because of drinking?
- Has a friend, relative, or doctor expressed concern about your drinking or suggested you cut down?
If you’re answering “monthly” or “weekly” to several of these, that’s meaningful. The guilt question is particularly telling, because people who drink without consequence rarely feel remorse about it.
What Counts as “Too Much”
A standard drink in the United States contains about 14 grams of pure alcohol. That’s 12 ounces of regular beer, 5 ounces of wine, or 1.5 ounces of distilled spirits. Many people undercount because they pour generously, drink higher-alcohol craft beers, or don’t realize a large glass of wine is closer to two standard drinks.
Quantity alone doesn’t define AUD, though. Two people can drink the same amount and have very different relationships with alcohol. The defining factor isn’t how much you drink but what happens when you try to control, reduce, or stop it, and whether drinking continues despite clear negative consequences in your health, relationships, or daily life.
What Blood Work Can Reveal
If you visit a doctor, liver function tests can offer objective evidence of how alcohol is affecting your body. The key markers are enzymes called ALT, AST, and GGT. Normal ranges for adults are roughly 7 to 55 U/L for ALT, 8 to 48 U/L for AST, and 8 to 61 U/L for GGT. Elevated levels, particularly GGT, can indicate that your liver is working harder than it should to process alcohol. These numbers won’t diagnose AUD on their own, but they can confirm what your behavior already suggests and provide a concrete measure of physical impact that’s hard to rationalize away.