Certain tests can be performed with your blood or urine to know if you are using drugs. One of those is the THC urine test which will search for tetrahydrocannabinol (THC) – a metabolite of marijuana. Is hydroxychloroquine sulfate safe How does plaquenil help ra Plaquenil bad dreams Since THC is stored in body fat, it can still give a positive result up to a month after you have stopped eating hemp seeds or hemp seeds products. 8. Other Factors. Diabetes, kidney disease and liver disease can also cause a false positive marijuana urine test result. Q Can you explain the reason for a false-positive urine drug screen for marijuana? A In 2013, an estimated 19.8 million Americans aged 12 years or older were current past month users of marijuana and 8.1 million were daily users. 1 An analysis of 7.6 million urine drug screens performed in the U. S. workforce, indicated the positivity rate for marijuana was 1.7%. 2 A positive urine drug. We hear “false positive” as a defense from professional athletes all the time when it comes to drug screens—but unexpected results on drug tests really do happen. A urine drug screen tests for the presence of certain illegal drugs and prescription medications. But sometimes, this test can give a false positive when you have never used marijuana. Since laboratory people are involved in the analysis process for THC in the urine, there is a chance of human error such as wrong labeling or external contamination. A positive result will indicate a recent use of this drug. Plaquenil false positive thc Finding cannabinoids in hair does not prove cannabis., Ask the Expert False-Positive Screen for Marijuana Hydroxychloroquine and liver Can Plaquenil cause a false positive for THC on a drug test? 1 doctor responded Do anti malaria drugs such as plaquenil hydroxychloroquine suppress the immune system and cause susceptibility more Do anti malaria drugs such as plaquenil hydroxychloroquine suppress the immune system and cause susceptibility to infections or no ? Does plaquenil hydroxychloroquine cause false positives on.. Medications That Can Cause a False Positive on Drug Tests - GoodRx. Will plaquenil show as thc on a drug test - Doctor answers on.. Dec 18, 2018 Both prescription and nonprescription medications contain ibuprofen, which often occurs in combinations with other drug such as in some cough and cold medications. In the past, ibuprofen proved to cause false-positive test results; however, the National Organization for the Reform of Marijuana Laws reports that this problem has been resolved 2. Doctors give trusted answers on uses, effects, side-effects, and cautions Dr. Liporace on can plaquenil show positive drug test Although Provigil is a stimulant of sorts, its chemical makeup is dissimilar to amphetamines and should not cause a false positive drug test. That means that 1 in 10,000 people taking plaquenil hydroxychloroquine reported having a false positive result on a urine drug screen. If that happens to anyone w/ a Rx for it - I'll wager that it would be recognized as an error and no bad consequences would happen for the individual.