It is crazy, but food can be a reason of a false positive test result if you consume a lot of food that is rich in yeast. During the metabolism of yeast, ethanol is formed as a by-product. Food such as bread, ripe fruits, and pizza should be avoided before a drug screening. Granola bars can also lead to a false positive test results.
A harmless substance used to treat sinusitis, nasal congestion, and allergies can lead to a false positive during the screening of drugs
Once ingested, it takes around three hours for ibuprofen to lead to a false positive of cannabis, barbiturates, and PCP in your urine. The wrong positive shows for people whose consumption falls within the range of 800 to 1200 milligrams per day.
These are common drugs that have efavirenz. This component presents itself as an illicit substance during screening. Efavirenz can easily be mistaken for the presence of benzodiazepine and marijuana in the blood.
Sertraline is an antidepressant and leading source of a false positive. Once broken down in the body, sertraline forms traces of benzodiazepine that are detected during drug screening.
Using poppy seeds a day or two before a drug test can lead to a false positive. Poppy seeds contain traces of morphine and codeine in their natural state.
False positives can be gotten if prednisone is used up to a day before the drug test. Prednisone brings back a false positive for steroids since it is a steroid itself.
Marijuana users can be your friends, neighbors, family, or just strangers. However, your interaction with such people can lead to a false positive.
Common cold medications may present a false positive when screening for amphetamines. These cold medications contain brompheniramine which yields similar by-products as methamphetamines when they are metabolized in the body.
Solvents such as Aveeno Soothing Relief Creamy Wash and CVS Night-time Baby Bath are likely to bring back a false positive even though neither the baby nor the mother has come into contact with marijuana. This false positive occurs due to the use of these solvents.
Typically, your original sample will be retested using a more advanced testing method that separates out substances that might interfere with the results offer your samples for a second confirmatory test.
If you were taking something that might've caused a false-positive result, the lab can do another type of test to verify that you haven't touched the drugs being tested. Letting your employer, principal or coach know about these substances can go a long way towards convincing them you deserve a second chance.
If you are not so sure it is "false-positive" - do not despair as there is still a way for you to get back to your clean life. You might want to get a consultation at a reputable substance abuse treatment center, like