Your body needs a chemical called porphyrin to make heme, a part of RBC that carries oxygen. Porphyria prevents your body from creating enough enzymes to control the process, and porphyrin builds up. Symptoms of hydroxychloroquine Hydroxychloroquine method of action arthritis Plaquenil glucose Brand name Plaquenil. Hydroxychloroquine comes only as a tablet you take by mouth. Hydroxychloroquine is used to treat malaria, lupus erythematosus, and rheumatoid arthritis. Hydroxychloroquine is used to treat discoid lupus erythematosus DLE or systemic lupus erythematosus SLE or lupus. It is also used to treat acute and chronic rheumatoid arthritis. This medicine is available only with your doctor's prescription. Malaria caused by the Protozoa Plasmodium Falciparum Preventive Treatment of Vivax Malaria malaria prevention systemic lupus erythematosus Preventive Treatment of Quartan Malaria Preventive Treatment of Ovale Malaria Malaria caused by the Protozoa Plasmodium Vivax disease that causes disc-shaped patches on upper body Low levels of heme can also cause organ damage, because your blood cannot bring the organs enough oxygen. High levels of porphyrin can cause problems throughout your body, depending on where it builds up. What does plaquenil do for porphyria Plaquenil hydroxychloroquine sulfate dosing, indications., Hydroxychloroquine Oral Route Description and Brand. Plaquenil maculopathy autofluorescenceCan you take hydroxychloroquine and xanax togetherHydroxychloroquine arthritis research Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. 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 Uses, Dosage & Side Effects -. What Conditions does Plaquenil Treat? - WebMD. Low-Dose Hydroxychloroquine is as Effective as Phlebotomy.. Do not take more or less of it or take it more often than prescribed by your doctor. If you are taking hydroxychloroquine for symptoms of rheumatoid arthritis, your symptoms should improve within 6 months. If your rheumatoid arthritis symptoms do not improve, or if they worsen, stop taking the drug and call your doctor. Plaquenil hydroxychloroquine is considered an older DMARD disease modifying anti-rheumatic drug. Plaquenil was actually first classified as an antimalarial drug, but it is also used to treat certain rheumatic and autoimmune conditions which are unrelated to malaria. Generally, Plaquenil is a treatment option as monotherapy used alone for mild rheumatoid arthritis or as combination. Today, Plaquenil and other antimalarials are also used to treat and help prevent symptoms caused by certain autoimmune diseases such as rheumatoid arthritis RA, systemic lupus erythematosus, and discoid lupus, even though these diseases are not caused by malaria parasites.