Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Does hydroxychloroquine cause human birth defects Plaquenil manufacturer mylan pharmaceuticals inc assist Plaquenil oct Malaria medication plaquenil DiagnosisTreatmentLifestyle and Home RemediesPreparing For Your Appointment HCQ Hydroxychloroquine is an antimalarial drug used to treat or prevent malaria. It is highly effective against erythrocytic forms of Plasmodium, but not effective against exoerythrocytic forms of parasites. Hydroxychloroquine is also used to treat symptoms of acute or chronic rheumatoid arthritis and lupus erythematosus. Side effectsManagementGoalsMechanismPrognosisPathophysiologyToxicityPreventionInteractionsGeneticsPurposeMedical usesAnalysisResearchDiagnosisSecurityResourcesContraindications Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Hydroxychloroquine diagnostic tests Diagnostic Tests for Hydroxychloroquine -- Teratogenic Agent., HCQ - Clinical Hydroxychloroquine, Serum Plaquenil withdrawal side effectsBenefits of hydroxychloroquine Home testing and Hydroxychloroquine - Teratogenic Agent, diagnostic tests, self assessment, and other tools and products in relation to Hydroxychloroquine - Teratogenic Agent. Home Testing and Hydroxychloroquine - Right Diagnosis. Recommendations on Screening for Chloroquine. Sjogren's syndrome - Diagnosis and treatment - Mayo Clinic. The tests listed by specialty and category are a select group of tests offered. For a complete list of Quest Diagnostics tests, please adjust the filter options chosen, or refer to our Directory of Services. The AVISE HCQ test is a blood test designed to help monitor hydroxychloroquine HCQ or plaquenil levels circulating in your system. The AVISE MTX test is a unique blood test that provides accurate measurement of the active form of methotrexate MTX circulating in your system. Abbott Laboratories won U. S. approval for its molecular test for the Coronavirus strain COVID-19, which will be used by hospitals and academic medical centers to speed diagnostic capabilities for.