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. Ocular safety of hydroxychloroquine Shared care guidelines hydroxychloroquine Does plaquenil interact with alcohol 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. Plaquenil is the brand name for the prescription drug hydroxychloroquine. 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. Immunodeficiency disorders is found among people who take Plaquenil, especially for people who are female, 60+ old, have been taking the drug for 6 - 12 months, also take medication Enbrel, and have Mixed connective tissue disease. 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. Is plaquenil a immunosuppressant Plaquenil Uses, Dosage & Side Effects -, Plaquenil Hydroxychloroquine - Side Effects, Dosage. Plaquenil brown spotsPlaquenil withdrawal symptomsPlaquenil for lichen planusHydroxychloroquine and tonic water Hydroxychloroquine oral tablet is available as a brand-name drug and a generic drug. Brand name Plaquenil. Hydroxychloroquine comes only as a tablet you take by mouth. Hydroxychloroquine is used. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Will you have Immunodeficiency disorders with Plaquenil.. PLAQUENIL HYDROXYCHLOROQUINE SULFATE TABLETS, USP DESCRIPTION. Hydroxychloroquine is used to treat malaria. It is also used to prevent malaria infection in areas or regions where it is known that other medicines eg, chloroquine may not work. Hydroxychloroquine belongs to a group of medicines known as antimalarials. It works by preventing or treating malaria. 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. A key concern for patients with lupus is the risk of infections including serious infections with immunosuppressive drugs and glucocorticoids, since both treatments suppress the immune system 5–7. This concern likely plays a significant role in a patient’s decision regarding whether to take these medications, and how long to continue.