It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Hydroxychloroquine sulfate tablets side effects Chloroquin mechanism Side effects of hydroxychloroquine sulfate 200 mg tablets I was told several years ago that plaquenil can cause a false positive for thc in urine tests. that is not true. but other medications have been implicated to potentiall cause false positives in rare cases for THC in urine testing see this article chronic use of ibuprofen and naproxen have been reported to cause false positives for. Does plaquenil hydroxychloroquine cause false positives on drug test? Answers Follow Share 3 doctors weighed in Does plaquenil hydroxychloroquine cause false positives on drug test? 3 doctors weighed in Dr. Lynne Weixel. Clinical Psychology. 1 doctor agrees. Can Plaquenil cause a false positive for THC on a drug test? This allows for false-positive test results triggered by the metabolites of certain prescription and nonprescription medications, which occurs in approximately one to 2.5 percent of cases, according to the NetWellness Consumer Health Information 1. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Plaquenil false positive Can plaquenil show positive drug test - Answers on HealthTap, Does plaquenil hydroxychloroquine cause false positives. Chloroquine primaquine combinationBenefit of hydroxychloroquine The aim of the study is to describe the rate of false‐positive results of LA tests on plasmas of patients with previous negative LA tests results that receive dabigatran etexilate DAB 110 mg/twice a day, rivaroxaban RIV 10 mg/day or 15 mg/twice a day, or enoxaparin 40 mg/day. Methods. Blood was taken between 1.5 and 4 h post administration. Frequent False‐positive results of lupus anticoagulant tests.. Medications That Will Test Positve for THC Healthfully. Plaquenil -. Confirmed False Positive Proteinuria in Patients with Systemic Lupus Erythematosus Taking Hydroxychloroquine a Spot Sample Measurement. Wang JM, Li JY, Huang WC, Wen CY, Lee CH, Yang CY, Wu MF. BACKGROUND A false-positive screening result is associated with harmful treatment or follow-up costs. Will plaquenil show as thc on a drug test. Premium Questions. Will Marijuana show up in a urine drug test? MD. Does taking Plaquenil cause false positive test result for THC? MD. I take tlaquenil for lupas,& my work sent me for a drug test, & I tested positive for THC. It was only a small amount, but even that s enough to get me fired. A positive ANA test means autoantibodies are present. By itself, a positive ANA test does not indicate the presence of an autoimmune disease or the need for therapy. Some medications cause a positive ANA. Tell your doctor all prescription, over-the-counter, and street drugs you take.