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. Chloroquine base meaning Chloroquine injection use Interaction hydroxychloroquine sulfate & wellbutrin Hydroxychloroquine tablet cost Hydroxychloroquine - I believe this drug causes false positive drug test of THC? Asked by Boni6258 Updated 6 January 2018 Topics chloroquine, hydroxychloroquine, drug test, medication Hi Boni, yes very possible depending on the test. If you had a false positive, ask for a better test. Maybe blood draw or hair test. You may endup having to pay for it, but if it conerns getting your meds, it's important enough. 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 Plaquenil Oral Uses, Side Effects, Interactions, Pictures., Hydroxychloroquine - I believe this drug causes false. Hydroxychloroquine sulfate for arthritisTest done before plaquenilPlaquenil medscapePlaquenil oct guidelinesPlaquenil flu shot 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. What Causes False Positives in Marijuana Drug Testing.. Will plaquenil show as thc on a drug test Download Here Free HealthCareMagic App to Ask a Doctor All the information, content and live chat provided on the site is intended to be for informational purposes only, and not a substitute for professional or medical advice. I was told several years ago that plaquenil can cause a false positive for thc in urine tests. Is this true? - Answered by a verified Doctor The below chart attempts to cover all possible sources of a false positive urine test result. Substances listed in the right column may cause a false positive for the drug/metabolite shown in the left column. Brand names are shown in brackets.