[header] How to pass a drug test for a job [title] Learn what tests you will be taking. [step] There are many different types of drug tests, so be sure you know which specific tests you will be taking. Unfortunately, drug tests are not 100-percent accurate and can produce a " false positive " for numerous reasons. 
[substeps] If you are an athlete, you may also be tested for substances that are not necessarily illegal, but that have been banned from athletic competition. [title] Be aware that certain over the counter medications and vitamins--even foods--can trigger a false positive.