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Neurontin (gabapentin) is not a medication that is typically associated with 'false positives' on most drug tests, including Suboxone (buprenorphine). It is not a reported/listed drug in most literature searches of agents that are most likely to cause 'false positives'. Not Likely: It is unlikely that Neurontin (Gabapentin) will trigger a false positive urine test for drugs. However, if you are taking other medications then these medication may alone or in combination with Neurontin trigger a positive urine screen. However, since most false positives occur as a result of an antibody binding to a drug that has a similar structure, it makes sense that the risk of a false-positive gabapentin test is highest with other anti-epileptic drugs, or those similar to it. One study found morphine levels high enough to result in positive EIA testing after ingestion of 1 poppy seed muffin or 2 poppy seed bagels. 8 This type of false-positive result is much less common in testing outside of clinical situations (eg, the workplace), wherein thresholds for a positive opiate screening are higher. 9 A careful history False positive results can also occur with naproxen, dronabinol, efavirenz, and hemp seed oil. Baby wash soap has even been reported to cause a false positive result [Citation 66]. Niedbala and coworkers studied passive (second-hand smoke) exposure to cannabis smoke in urine and saliva samples. Neurontin should not show up as a false positive for benzo. The chemical structure is sigificantly different than that of benzos. It is becoming more commonly tested for these days though since more and more people are using this medication recreationally. Over a 6-month period, the incidence of gabapentin positive postmortem cases increased from 18% to 20%. Nearly all gabapentin positive postmortem cases were also positive for an opioid, the most significant being fentanyl, suggesting that gabapentin misuse may be due to its potentiating effect of opioid drug action. Most studies suggest that gabapentin is highly unlikely to cause a 'false-positive' for any of the drugs being looked for on a standard 5-panel test due to its difference in structure and molecular composition. False-negative results can cause missed opportunities to detect misuse. Urine samples can be adulterated with other substances to mask positive results on urine drug testing. It's very uncommon (and unlikely) to get a false positive test result for gabapentin. Gabapentin is not a controlled or illicit substance and is not included on standard urinalysis drug tests. A variety of medications can cause a false positive result on a drug screen, but the occurrence of a false-positive result for cocaine is very rare. False positives are far more common for other medications such as amphetamines and opioids. However, antibodies may detect drug metabolites with similar structure and characteristcis, leading to false-positive results. For this reason, immunoassay testing should be considered preliminary and presumptive. For example, a methamphetamine test comes back positive for methamphetamines, even though you haven't taken any. False-positive results can be due to a laboratory error, but the most common reason for a false-positive methamphetamine test is other medications or substances that have a similar structure to methamphetamine. (58.3%) were con˙ rmed as positive, indicating that many benzodiazepine-positive results from the immunoassay might be false positives. One of the crucial results of this study was the consistent identi˙ cation of pregabalin and gabapentin in all cases that yielded positive results for benzodiazepines during No, gabapentin does not cause false positives on drug tests. It is not an illicit substance and it will not show up as a false positive for any other drugs. However, there are some rare cases where gabapentin has been known to interfere with certain types of drug tests and produce inaccurate results. False-negatives and false-positives from immunoassays can lead to adverse consequences for patients and providers. By identifying medications that contribute to false-negatives and false-positives, pharmacists decrease misinterpretations from urine drug screens. False-positive results for amphetamine and methamphetamine were the most commonly reported. False-positive results for methadone, opioids, phencyclidine, barbiturates, cannabinoids, and benzodiazepines were also reported in patients taking commonly used medications. The most commonly used tests to screen urine for drugs of abuse are The search strategy was developed by a medical librarian combining the terms false positive results, urine, and substance abuse testing and the generic names of 116 medications. When possible Ask to change the sensitivity of the drug test. Drug tests are designed with a certain cutoff concentrations, which is the lowest point in which a positive result occurs. If a test uses too low of a cutoff concentration, the likelihood of a 'positive' results increases potentially a 'false positive'. Antidepressants, decongestants, and dextromethorphan (Robitussin, Delsym) are examples of medications that can cause a false positive. If you think you’ve had a false positive on a urine drug test, talk to your healthcare provider. They may be able to run a second test to confirm whether the results were inaccurate.
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