Most people believe that a breathalyzer test is a reliable and accurate way for police to determine if a driver is intoxicated. What they don’t realize is that these devices can be fooled by completely legal, everyday products—like mouthwash or breath fresheners. In fact, a surprising number of DUI arrests in Illinois begin with a false positive triggered not by alcohol consumption, but by the alcohol content in personal hygiene products. If this happened to you in Chicago or anywhere in Illinois, the consequences are real—but so is your opportunity to fight back.
As a DUI defense lawyer with decades of courtroom experience, I’ve seen firsthand how faulty BAC readings can lead to wrongful arrests. I’ve also seen how the right legal approach can turn things around. Here’s what you need to know about how mouthwash can affect breath test results—and what to do if you’ve been charged with DUI because of it.