It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Chloroquine resistance mechanism of action Hydroxychloroquine sulfate drug interactions 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. Hydroxychloroquine Oral tablet 200mg Drug Medication Dosage information. Learn about the reported side effects, related class drugs, and how these medications will affect your daily lifestyle. 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. Today, it is used to treat rheumatoid arthritis, some symptoms of lupus, childhood arthritis (or juvenile idiopathic arthritis) and other autoimmune diseases. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Hydroxychloroquine what is it used for Hydroxychloroquine Oral Uses, Side Effects, Interactions., Hydroxychloroquine Oral Tablet 200Mg Drug Medication Dosage. Plaquenil and quinacrine not working anymore for lupusPlaquenil induced rash Hydroxychloroquine is used to treat the symptoms of rheumatoid arthritis and systemic lupus erythematosus and to prevent and treat malaria. Includes hydroxychloroquine side effects, interactions and indications. Hydroxychloroquine Uses, Dosage & Side Effects -. Hydroxychloroquine Plaquenil. Hydroxychloroquine MedlinePlus Drug Information. Hydroxychloroquine is used for treating and preventing malaria. As this eMedTV page explains, it can also be used to treat lupus or rheumatoid arthritis. This article also lists common off-label hydroxychloroquine uses and explains how the drug works. Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care medication may also be used for other types of infections e.g. Q fever endocarditis. HOW TO USE Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of. 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.