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. Plaquenil savings card How does hydroxychloroquine work in the body What Is Plaquenil? Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. What Are Side Effects of Plaquenil? Aug 14, 2017 Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. Plaquenil hydroxychloroquine is commonly used for lupus in children because of less side effects compared to other medications. Plaquenil hydroxychloroquine helps minimize joint damage. It can also decrease symptoms and future complications. 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. Plaquenil effectiveness lupus Hydroxychloroquine Side Effects, Dosage, Uses, and More, Long-Term Side Effects of Plaquenil for Rheumatoid. Can plaquenil affect your thyroid Hydroxychloroquine Plaquenil is a breakdown product of chloroquine, and is, in fact, the most common antimalarial given to treat lupus. How hydroxychloroquine works to fight lupus Hydroxychloroquine has a number of effects on the immune system. Why are treatments that were developed for malaria now.. Compare Plaquenil vs Chloroquine -. How is plaquenil hydroxychloroquine used to treat lupus?. Here are some of the ways in which Plaquenil is used to control lupus symptoms May prevent lupus flares by as much as 50%. Reduce muscle and joint pain. Reduce lupus related rashes. Protect against pleuritis inflammation of the lining of the lungs. Protect against pericarditis inflammation. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. if you are taking this for lupus or. What are anti-malarial drugs, and why are they used to treat lupus? Hydroxychloroquine Plaquenil, chloroquine Aralen, and quinacrine Atabrine are medications that were originally used to prevent or treat malaria. However, during World War II it was also found that these medications were effective in treating the symptoms of lupus.