9 Surprising Things that Can Make You Fail a Drug Test

Last Updated on January 7, 2021

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Ibuprofen/Codeine

Unexpectedly, this commonly used painkiller can also make you fail a drug test. For many people, Ibuprofen is the first option to ease the pain, but it should better be avoided in case you’re planning to take a drug test in the next 2 days.

Actually, the innocent ibuprofen can make you test positive for benzodiazepines, marijuana, or barbiturates. Also, taking Codeine and Meperidine could cause false positive test results.

Poppy Seeds

Poppy seeds are often seen on bagels and muffins, they are very healthy and many people use them regularly in various dishes. But if you plan to take a drug test soon, you should better avoid those yummy little seeds until you get the job.

Similar to codeine and opium, poppy seeds consist of bits of opiates. In fact, you can still fail your drug test for as long as two days after consuming poppy seeds. You can switch to sesame seeds or sunflower seeds while waiting.

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Coca tea

Coca tea is popular in South America. It’s made from the leaves of the coca plant, which is also used to make cocaine. Therefore, drinking coca tea could cause a false positive test for cocaine. According to a small study, 5 participants consumed coca tea before passing a drug test.

All of them tested positive for cocaine 2 hours later, while 3 of them still tested positive after 36 hours. Researchers suggest that a history of coca tea consumption should be taken into consideration when interpreting urine toxicology results.