Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Does plaquenil weaken the immune system Treatment of plaquenil hyperpigmentation Chloroquine resistant malaria definition Plaquenil and blood pressure Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Today, it is used to treat rheumatoid arthritis, some symptoms of lupus, childhood arthritis or juvenile idiopathic arthritis and other autoimmune diseases. It is not clear why hydroxychloroquine is effective at treating autoimmune diseases. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Important information Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. What is plaquenil for lupus What is Plaquenil? - GoodRx, Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria Plaquenil swellingDiazepam with plaquenilPlaquenil side effects liver Plaquenil is a DMARD which has been prescribed for years to treat rheumatoid arthritis, lupus, juvenile rheumatoid arthritis, and other autoimmune diseases. When the first biologic DMARD received FDA-approval in 1998, and as other biologics followed in subsequent years, it appeared as though Plaquenil would become less prescribed. Taking Plaquenil for Rheumatoid Arthritis. Hydroxychloroquine Uses, Dosage & Side Effects -. Lupus Medicines Hydroxychloroquine - Brigham and Women's.. Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine -sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. 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. It's prescribed for Lupus patients as it can delay organ involvement such as with the kidneys. Lupus patients on Plaquenil, for the first 5 years, should have their eyes examined by an Opthalmologist who is familiar with Plaquenil side effects so they should do a thorough exam of the retina, map the retina and do a field acuity test etc.