There is an extensive list of factors and substances that have the ability to affect a breath test, causing a false positive. Examples of such factors and substances include pre-existing medical conditions, medications, mouth alcohol presence, certain foods and vinegar. 

If you face an OWI charge, contact Waukesha criminal defense attorney Craig Kuhary. Attorney Craig Kuhary will inform you of your options when it comes to challenging your test results, whether your test involves breath, blood or urine. 

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