What Can Cause a False Positive Alcohol Test?


Alcohol can be tested in the breath, blood, saliva, or urine. Since blood tests are invasive procedures, and urine tests are often an inaccurate measure of a person's current inebriation level, the most commonly used test is a breath test. However, there are several consumables that are known to cause false positive results on a standard breathalyzer test. Mouthwash, soda, certain asthma inhalants, and OTC decongestants are all items that have caused a false positive result on an alcohol test.
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