What Are Some Tips for Passing an Alcohol Breathalyzer Test?


Quick Answer

Many of the tips for passing an alcohol breathalyzer test instruct people what not to do. Individuals who are going to be checked should never use breath spray or mouthwash before the procedure. Both often contain alcohol, so false positive results are possible.

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Full Answer

There is a mistaken belief that burping into the breathalyzer leads to lower alcohol levels, because stomach gas has less alcohol than air from lungs. In fact, sometimes the readings are higher after belching. Another myth is that holding one's breath before the analysis helps, but in certain cases, this makes the alcohol readings as much as 15 percent higher. Hyperventilating before the test sometimes helps, but people might still fail the test.

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