It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Plaquenil and low libido Chloroquine transfection calcium phosphate Hydroxychloroquine sulfate tablets 400mg Plaquenil and nail changes Plaquenil is indicated for the treatment of uncomplicated malaria due to P. falciparum, P. malariae, P. ovale, and P. vivax. Plaquenil is indicated for the prophylaxis of malaria in geographic areas where chloroquine resistance is not reported. Limitations of Use in Malaria • Plaquenil is not recommended for the treatment of complicated malaria. As PLAQUENIL may enhance the effects of a hypoglycemic treatment, a decrease in doses of insulin or antidiabetic drugs may be required. Drugs That Prolong QT Interval And Other Arrhythmogenic Drugs. PLAQUENIL prolongs the QT interval and should not be administered with other drugs that have the potential to induce cardiac arrhythmias. Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. 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. Plaquenil antimalarial Treating Lupus with Anti-Malarial Drugs Johns Hopkins Lupus., Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects. Chloroquine or prophylaxis Medscape - Indication-specific dosing for Plaquenil hydroxychloroquine sulfate, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Plaquenil hydroxychloroquine sulfate dosing, indications.. Hydroxychloroquine MedlinePlus Drug Information. Plaquenil Uses, Dosage & Side Effects -. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Plaquenil is a mainstay of treatment for inflammatory arthritis and skin symptoms. Image Credit Alice Day/In 1984, I wrote my first prescription for the antimalarial drug, hydroxychloroquine Plaquenil, for a 28-year-old woman with SLE. Plaquenil contains the active ingredient hydroxychloroquine sulfate 200 mg, the antimalarial and disease-modifying antirheumatic drug DMARD used to treat malaria, rheumatoid arthritis, systemic lupus erythematosus and discoid lupus erythematosus. They also contain calcium hydrogen phosphate, maize starch, purified water, and magnesium stearate.