Is Drinking Water the Key to Beat a Breathalyzer Test? Uncover the Truth Here!

It’s Friday night and you decide to go out for a few drinks with friends. As you’re getting ready to head home, you remember there’s a police checkpoint on your usual route. Suddenly, your mind starts racing and you begin to wonder – can drinking water help you pass a breathalyzer test?

We all know that drinking alcohol can significantly impair your ability to drive safely. And if you get caught with a blood alcohol content (BAC) over the legal limit of 0.08%, you could face severe consequences like a hefty fine, license suspension, or even jail time. So, it’s no surprise that many people are searching for ways to outsmart a breathalyzer test. But does drinking water really work?

The Science Behind Breathalyzers

First, it’s important to understand how breath alcohol tests work. When you consume an alcoholic drink, the ethanol in the alcohol gets absorbed into your bloodstream through the walls of your stomach. From there, it travels to your lungs, where some of it is exhaled with each breath. This is why your breath can smell like alcohol after drinking.

Breathalyzers measure the amount of alcohol in your breath and use that number to estimate the alcohol level in your blood. This is known as breath alcohol concentration (BrAC). However, it’s important to note that breath tests are not as accurate as blood tests and can be influenced by various factors.

The Myth of “Beating” a Breathalyzer Test

Now, let’s address the question at hand – can drinking water actually help you pass a breathalyzer test? The short answer is no.

Despite popular belief, drinking water will not lower your BrAC or make the alcohol in your system disappear. In fact, it can take anywhere from 30 minutes to 2 hours for your body to fully process and eliminate one standard drink. So, chugging a glass of water at the last minute won’t do much to lower your BAC.

Moreover, breathalyzers are designed to detect alcohol in your breath, not just the alcohol vapors in your mouth. Water will not have any significant effect on the amount of alcohol present in the air you exhale. So, while drinking water may momentarily dilute the alcohol in your mouth, it won’t have any impact on your breath test results.

Debunking Other Myths

Aside from drinking water, there are several other common myths about “beating” breathalyzer tests. Some people believe that sucking on a penny, eating mints, or using mouthwash can help trick the breathalyzer. However, there is no evidence to support these claims.

Another popular belief is that hyperventilating before a breath test can lower your BrAC. This theory is based on the idea that by breathing faster, you can get rid of the alcohol in your system faster. However, this is also false. Hyperventilating only increases the amount of air in your lungs, not the amount of alcohol exhaled.

The Bottom Line

In short, no, drinking water will not help you pass a breathalyzer test. The only way to sober up and reduce your BAC is to wait for your body to metabolize the alcohol naturally. Trying to outsmart a breathalyzer test can have serious consequences and is not worth the risk.

So, the next time you’re thinking about trying a “miracle” method to pass a breathalyzer, just remember that there is no surefire way to do so. Always drink responsibly and never get behind the wheel if you’ve been drinking.


The information provided in this article is for educational and informational purposes only. It is not a substitute for professional medical or legal advice. Always seek the advice of a qualified professional before making any changes to your health or legal decisions.

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