Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Plaquenil drug uses Plaquenil treatment for alopecia Chloroquine phosphate for uronema marinum Is plaquenil Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Immunosuppressant drugs. Taking methotrexate. 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. Hydroxychloroquine 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. This medicine is not effective against all strains of malaria. 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. Is hydroxychloroquine an immunosuppressant Hydroxychloroquine - Wikipedia, Hydroxychloroquine Oral Route Description and Brand Names - Mayo Clinic Chloroquine phosphate injection bp 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. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Hydroxychloroquine - Side Effects, Dosage, Interactions - Drugs.. Do either hydroxychol/Plaquenil put you at risk for greater.. Plaquenil Hydroxychloroquine is used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus & others. Overdose. Hydroxychloroquine is very toxic in overdosage; overdosage is extremely hazardous and difficult to treat. Urgent advice from the National Poisons Information Service is essential. Life-threatening features include arrhythmias which can have a very rapid onset and convulsions which can be intractable. Keywords immunosuppressive effect, artemisinin, hydroxychloroquine, lupus nephritis Introduction Systemic lupus erythematosus SLE is a multisystem autoimmune disease with varying patterns of organ involvement.