Wondering how long alcohol stays in your system? It depends on how much alcohol you’ve had to drink and whether it’s your urine, hair, blood, saliva, or breast milk being tested. Read to find out how long it takes to sober up and when you’re in the clear.
“How long does alcohol stay in your system?” and “How long does alcohol stay in your blood?” are two commonly asked questions regarding alcohol in the body, and they’re asked for several reasons. Perhaps you’re getting alcohol testing for a job or you’ll be enrolling in a alcohol detox program. The answers to these questions are dependent on a variety of factors, including the amount of alcohol and the number of drinks consumed. Alcohol also stays in different parts of the body for different amounts of time. These factors determine how long it takes for a person to reach a state of sobriety.
Article at a Glance:
- A healthy liver can process about one drink per hour.
- Each person’s body processes alcohol at a different rate.
- Blood alcohol concentration charts show what a healthy range of alcohol intake is for your weight and gender.
- Alcohol can be tested in urine, blood, breath, sweat, saliva and hair follicles.
- Online self-assessment tests can help you determine if you have an alcohol problem.
How long does alcohol stay in your system? A normal, healthy liver can process roughlyone drink per hour, so typically, one drink will stay in your system for one hour. That means that if you finish a drink at 6:00, you will generally be in the clear by 7:00. However, if you have a second one at 6:30, the time is added. You’ll have 30 minutes left from the first drink, plus the additional hour from the second one, meaning you’ll be intoxicated until 8:00.
- How long does alcohol stay in your urine? About80 hours.
- How long does alcohol stay in your blood? The average liver can processone drink per hour.
- How long does alcohol stay in your hair follicles? Approximatelythree months.
- How long does alcohol stay in yourbreast milk? About2 to 3 hoursper drink.
What Is One Drink?
Every type of drink (beer, wine, liquor, etc.) has a different amount of alcohol in it. At a bar, drinks are generally standardized to easily keep track of how much alcohol you’ve had.A standard “drink”is 0.6 ounces of alcohol.
For example, one beer is 12 fluid ounces and it contains 5% alcohol. Wine is a much more concentrated drink at 12%. Just 5 fluid ounces of wine is considered one drink. One shot of rum, vodka or gin at 40% alcohol (80 proof) is considered one drink. All three have the same amount of alcohol.
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If you have one glass of wine (5 fluid ounces), your liver will be able to metabolize it in aboutone hour. If you have two shots of vodka one after the other, it will taketwo hoursto get sober again.
And remember—alcohol is alcohol. A breathalyzer doesn’t distinguish between a shot or “just a beer.” It affects your blood alcohol concentration (BAC) the same way.
Related Topic:Is Alcohol a Drug
When Is It Safe to Drive After Drinking Alcohol?
Monitoring your alcohol intake can be a tricky thing, and there’s plenty of hearsay about how to sober up quickly and how clear your head should be before leaving the bar. It’s common sense to avoid the driver’s seat when the world is swimming. But what about when you’re just a little buzzed? How long does alcohol stay in your system?
The reality is thatalcohol sticks around much longer than many people expect, and just a little bit left in your bloodstream is enough to trigger a positive on an alcohol test. So before you have a drink, understand how long alcohol stays in your system. It might save your life.
How Long Does It Take to Sober Up?
Symptoms of intoxication appear differently from person to person and leave the body at different rates. Factors like body type, gender, eating and drinking water can all affect how long it takes to feel sober. Excessive drinking habits can also increase the amount of time it may take.
The process of breaking down alcohol begins in the stomach. A little bit is broken down there, but the rest reaches the small intestine and is absorbed into the bloodstream. The liver begins to metabolize what it can, and the rest is distributed throughout the body. Small amounts of alcohol are also expelled through the urine, sweat and breath.
It’s important to remember that feeling better after a hangover does not mean the alcohol is out of your system. The best way to measure how intoxicated you are is through the blood alcohol concentration (BAC) scale.
Related Topic:How to cleanse your liver from alcohol
Blood Alcohol Concentration (BAC) and Liver Metabolism Rate
Drinking isn’t a guessing game—there are science-backed methods to understand how intoxicated you are based on your body type.
The blood alcohol concentration (BAC) scaleshows how much of your bloodstream is pure alcohol. For example, if you have a BAC of .10, it means that .1% of your bloodstream is alcohol. The scale looks like this:
- At.04, most people begin to feel relaxed.
- .08is the legal intoxication level in most states. However, driving can be impaired by BACs as low as .02.
- At.12, most people feel the need to vomit.
- At.30, many people lose consciousness.
- By.40, most people lose consciousness.
- A BAC of.45is usually fatal.
BAC charts make it easy to see what a healthy range is for you. The charts are separated by male and female, since the male body tends to have more water and therefore a higher alcohol tolerance. Women also have significantly less of the enzyme that breaks down alcohol in their stomach than men do.
Everybody is different in how many drinks they need to reach a given BAC. For a man who weighs 180 pounds, three drinks will put him at .06. An hour later, he’ll have a BAC of .04. Based on this chart, a woman who weighs 140 pounds and has two drinks in an hour will have a BAC of .07.
Lastly, if you eat before drinking, you’ll be able to keep your BAC lower since it prevents the alcohol from moving to the small intestine too quickly. But the only way to keep alcohol from reaching the bladder is to keep alcohol from entering your bloodstream in the first place.
Related:Alcohol Withdrawal
What Happens During Ethanol Urine & EtG Alcohol Tests?
Alcohol testing is performed for a variety of reasons. Alcohol can be detected in urine, blood, saliva, sweat, breath and even your hair follicles. You may be asked to take an alcohol test in a police investigation or as part of an alcohol treatment program.
There are different types of tests for different parts of your body, and each one has multiple uses. For example, if you’re being tested in a medical setting for intoxication, doctors are more likely to take a blood sample. In a legal setting, such as after an accident or a suspected DUI, you’re likely to be given a breath test.
Regardless of what part of the body the test is for, most alcohol tests are looking for one of two chemicals: ethanol or ethyl glucuronide (EtG).
Ethanol Urine Tests
EtG Urine Tests
Self-Assessment: Are You an Alcoholic?
There’s a fine line between excessive alcohol consumption and alcoholism and it’s not always easy to determine which side you’re on. If you’re concerned that your drinking or that of a loved one has become an addiction, consider the following online assessments. These tests can help you determine if you’re an alcoholic by evaluating your drinking habits. For the most accurate assessment, please be completely honest with your responses. The tests are 100% confidential and free:
Cage Assessment
Only 4 questions, but has been shown to identify 9 out of 10 alcoholics.
AUDIT Assessment
A quiz with 10 questions created by the World Health Organization.
MAST Assessment
22 yes or no questions to help you determine if you’re an alcoholic.
