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Are breathalyzers reliable?

On Behalf of | Sep 11, 2024 | Drunk Driving

Imagine you’re driving home after a fun night out with friends. You’re feeling good, confident that you’re under the legal limit. Suddenly, you see flashing lights in your rearview mirror. You pull over, and a policeman asks you to take a breathalyzer test. But how reliable is this little device that could potentially change your life? 

How does a breathalyzer work? 

A breathalyzer measures the amount of alcohol in your breath by estimating your blood alcohol concentration (BAC). When you drink, blood is absorbed into your bloodstream and makes its way to your lungs. When you exhale, the breathalyzer detects the alcohol molecules and calculates your BAC based on the alcohol concentration in your breath.  

How common are false positives? 

False positives can happen, and they can be incredibly stressful. If you believe you’ve received a false positive, there are a few steps you can take. First, remain calm and respectful with the officer. You can request a second test, either another breathalyzer or a blood test, which is generally more accurate. It’s also helpful to know that certain substances, like mouthwash or some medications, can affect breathalyzer results. 

If you have any medical conditions or have consumed anything that might interfere with the test, inform the officer. Lastly, consult a lawyer specializing in DUI cases if you’re charged. They can help you navigate the legal system and potentially challenge the breathalyzer results in court. 

While breathalyzers are helpful for law enforcement, they are not infallible. It is crucial to understand how they work and what steps to take if you believe you’ve been wrongly accused.  

However, the best way to avoid any issues is to not drive after drinking. DUI charges can lead to fines, license suspensions and jail time. More importantly, driving under the influence puts your life and the lives of others at risk. Use a designated driver, public transportation, or a rideshare service to ensure you get home safely.