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. Of dropout in rheumatoid arthritis treatment with hydroxychloroquine Plaquenil heart side effects Is hydroxychloroquine sulfate safe The Rheum MD just called telling me my labs were normal and my ANA was just under 1.6 & Vit D 34 abn less 30 so he felt I did not have Lupus but to stay on the Lyrica. He said my other labs were also normal. My concern is that I have been on Plaquenil for a while now, can it cause a false negative ANA? 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. 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, Medications That Can Cause a False Positive on Drug Tests. Hydroxychloroquine to stop flare ups Drug screen false positive is reported only by a few people who take Plaquenil. We study 48,911 people who have side effects while taking Plaquenil from Food and Drug Administration FDA. Among them, 1 has Drug screen false positive. Find out below who they are, when they have Drug screen false positive and more. Will you have Drug screen false positive with Plaquenil.. Medications That Will Test Positve for THC Healthfully. Will you have Tuberculosis skin test positive with Plaquenil.. 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? Most of the positive results in routine tuberculosis screening of health care workers are false positives. That statistical artifact is creating headaches for employee health professionals as they try to find the best TB testing method and struggle with unexpected results. 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.