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Author: Admin | 2025-04-28
It’s not a myth—eating poppy seeds can cause a false positive result for opiates on a urine drug test. Most poppy seed batches contain a wide range of morphine levels. The amount of poppy seeds you need to consume to cause a false positive for morphine or codeine depends on the country of origin and baking technique. [1]However, if you eat poppy seeds, morphine may be able to be detected in your urine for up to 2 days. [1]Can Poppy Seeds Make You Fail a Drug Test? Quick Answer Consuming poppy seeds can make you test positive for opiates, such as codeine or morphine, on a drug test. Why Do Poppy Seeds Affect a Drug Screen?Opiates like heroin, morphine, and codeine come from the seed pods of poppy plants grown in Asia, Mexico, and Columbia. These same seed pods produce small, black, nut-flavored seeds used in cooking. If you eat something with poppy seeds, you could “fail” your test or have a false positive for opiates. Opioids come from the milky substance inside the seed pods, and seeds can get coated with this fluid during processing. The seeds themselves aren’t drugs, but they can get contaminated by drug-like liquids. Poppy seeds are washed and thermally processed before they enter the food chain, and that procedure can reduce contamination levels. Even so, most seeds have some tiny bits of coating left, and that’s allowed per safety authorities.In Europe, for example, 10μg of morphine per kilogram of body weight is considered a safe level of morphine in food products.[2] That could be enough for you to test positive on a urine drug test.How Long Do Poppy Seeds Stay in Your System?When you consume poppy seeds, opiates like morphine can be detected in urine drug tests for up to 48 hours.[1] And poppy seeds can cause a positive test result as soon as 2 hours after eating them.How Many Poppy Seeds Do You Need to Eat to Fail Your Test?Experts say more than 90% of opium is removed during seed processing.[4] But the amount left behind can vary quite a bit.Your opium levels could be higher due to the following:How well the seeds were cleaned Where they were harvestedWhen they were harvested How they were processed Food testing authorities can’t predict how many poppy seeds you can eat to produce a clear urine test.[4] Instead, they recommend that people with test dates avoid eating potentially troublesome foods. Food testing authorities can’t predict how many poppy seeds you can eat to produce a clear urine test.[4] Instead, they recommend that people with test dates avoid eating potentially troublesome foods.Poppy seeds are easy to spot in foods like bagels, bread, and other pastries. If you
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